Great Internet Mersenne Prime Search (GIMPS)

Prime95, also distributed as a command-line utility mprime under FreeBSD and Linux, is a freeware application written by George Woltman. It is used by Great Internet Mersenne Prime Search (GIMPS), a distributed computing project dedicated to Mersenne prime hunting. In overclocking circles, its also commonly used for stability testing.

This repo is a mirror to Free Mersenne Prime Search Software source code for Windows, Linux, FreeBSD, and Mac OS X.

You could download the latest code from GIMPS or release page.

Mirror rank from PrimeNet Top Overall Teams

Top producers for the last year.
This hourly report generated 2026-02-09 12:00 UTC

Rank	Team Name	Total GHz Days	90 day	30 day	7 day	1 day	TF	P-1	LL/PRP	DC	ECM	ECM-F
1	GIMPS.Russia	983229750					0.3		0.1		99.6
2	Slovakia	692041629	⬆ 1				0.1	97.6	0.1		2.2
3	POLAND	437422458	⬆ 1	⬆ 1			0.3	99.1	0.1		0.5
4	PrimeNet	360437705	⬇ 2	⬇ 1			0.1	97.5	0.2	0.3	1.8
5	-Too many Ones-	203368779					0.3	92.8			6.9
6	unRAID	33583831	⬆ 1	⬆ 1				99.5	0.4
7	Ars Technica Team Prime Rib	32292602	⬇ 1	⬇ 1	⬆ 2		0.1	95.9	0.1	2.6	1.2
8	GIMPSChina	22176143			⬇ 1		79.8	13.5	4.1	0.7	1.8
9	One Man Team	16978867			⬇ 1			99.5	0.5
10	More Power!!!	14569389					13.9	56.2	1.8	0.7	27.3
11	GW's legions	12728060					0.1	0.9	29.8	0.8	68.4
12	UCM-curtisc	11888092	⬆ 1	⬆ 1					99.4	0.6
13	Team-Deutschland	11681364	⬇ 1	⬇ 1			4.0	6.1	0.5	0.1	89.2
14	TeamUK	7414680					39.4	5.8	18.8	1.2	34.6	0.1
15	szerverem.hu	7184559	⬆ 221	⬆ 2			5.9	37.5	45.1	5.2	6.3
16	Porta Kruse	6440220	⬆ 20	⬇ 1			2.0	0.1		0.1	91.7	6.1
17	GPU to 72	4753156	⬇ 2	⬇ 1			60.9	22.4	0.6	3.7	12.2
18	SpongeBob SquarePants	3799684	⬇ 2				0.5	31.7	56.3	10.0	1.5
19	Numberphile	2905781	⬇ 1				30.9	40.8	20.3	6.6	1.1
20	tsc	2337411	⬇ 1	⬆ 1			91.3	6.4	1.6	0.2	0.5
21	Dutch Power Cows	2166335	⬇ 4	⬇ 1			33.1	28.9	1.2	1.2	35.5
22	UKRAINE	2136371	⬇ 2				34.2	14.2	37.4	14.0
23	Wikipedia	1964229	⬆ 1				58.8	33.9	3.9	2.3	0.8
24	Swedes Of Primes	1515713	⬇ 2				0.4	83.1	14.1	2.4
25	GIMPS.USA	1396118	⬇ 2				4.7	0.2	3.6	1.8	89.6
26	GIMPS.Japan	1343993	⬇ 5				4.5	0.1	8.0	1.9	85.5
27	GIMPS.Occitania	1307359	⬇ 2					1.8				98.2
28	MOXA	704440	⬇ 2	⬆ 1			98.9		0.8	0.3
29	MATHSareREAL	693656	⬇ 2	⬇ 1			95.6		3.3	1.2
30	MBAi.Cloud	599772							100.0
31	GIMPS.Korea	515071	⬆ 51	⬆ 4	⬆ 1		87.3	4.3	7.3	0.9	0.1
32	Rechenkraft.net	483959	⬇ 4	⬇ 1	⬇ 1		4.5	60.1	2.9	5.9	26.1	0.5
33	Terry Kim Team	466313	⬇ 1				98.4		0.8	0.3
34	citizenscience.ru	438744	⬇ 5	⬇ 2			83.6	7.2	4.0	0.8	3.5	0.9
35	Buhr	412694		⬇ 1			62.8	2.5	20.6	6.3	7.8
36	UW Eau Claire	351482	⬆ 200	⬆ 22	⬆ 11	⬆ 1	57.8		32.2	9.9
37	S485122	311597	⬇ 4		⬇ 1	⬇ 1		95.0		5.0
38	Smoke-it	290678	⬇ 7	⬇ 2	⬇ 1		91.1	6.5	1.7
39	YahsTeam	218599	⬆ 2		⬇ 1		87.6		10.4	2.0
40	NerdyGirls	205474	⬆ 7		⬇ 1		2.5	41.6	8.7	47.1
41	Canada	201165	⬇ 2		⬇ 1			3.3	65.8	29.8
42	randomteam	199318	⬆ 2	⬆ 1							100.0
43	GIMPS Team Philippines	197761	⬆ 2	⬆ 2	⬇ 2		81.6		1.7	1.8	14.1
44	Team Tartan	194030	⬇ 4	⬇ 2	⬇ 1				77.0	23.0
45	GIMPS China	175947	⬇ 11	⬇ 7	⬇ 1		95.0		1.8	0.4	2.7
46	BitMEX Research	160461	⬇ 8	⬇ 2	⬇ 1				95.7	4.3
47	nranks	155999	⬇ 1	⬇ 1	⬇ 1		45.1	0.8	4.5	0.9	48.7
48	OverclockerAustralia	147192	⬆ 1	⬇ 1			59.7		21.2	15.6
49	404 - "Primes not Found"	145848	⬆ 22	⬆ 13			68.3		31.7
50	Team China	123841	⬆ 4	⬇ 1					99.7	0.3
51	GIMPS.NZ	120822	⬇ 1	⬇ 1			78.0		10.9	11.1
52	Colorado School of Mines	119217	⬆ 74	⬆ 19	⬆ 6		86.0		10.5	3.5
53	Cap'n Entropy's Cavalcade of Wonderment	115083	⬇ 2	⬇ 5	⬇ 1		75.9	4.9	17.0	2.2
54	SASAKI	114956	⬇ 1	⬇ 2	⬇ 1		100.0
55	EgyptianPolymaths	112776	⬆ 1				0.4	30.8			64.0
56	Unicamp	111695	⬆ 10			⬆ 1	74.1	0.3	20.5	5.1
57	Wisconsin	111562	⬇ 5	⬇ 6	⬇ 3	⬇ 1	52.3		26.2	21.5
58	Georgia Tech	104811	⬇ 21	⬇ 4	⬇ 1		94.8	0.6	4.6
59	Hungary	95112	⬇ 2	⬇ 2			0.5	0.1	1.9	2.9	94.2
60	GIMPS.France	85423	⬆ 10	⬆ 7			13.1	44.9	5.5	20.1	16.2
61	SHADO	83003		⬇ 2					62.9	17.8	11.3	2.3
62	UIUC	77839	⬆ 5	⬆ 4	⬆ 1	⬆ 2			69.9	30.1
63	Net-Work	77763	⬇ 1	⬇ 2	⬇ 1	⬇ 1	1.9	2.6			87.3
64	Eratosthenes Sieve	76060	⬇ 1	⬆ 1	⬆ 3	⬇ 1	0.7		99.3
65	Esperanto	71690	⬇ 7	⬇ 1				24.5	16.2	59.1	0.2
66	LTT fans	69356	⬇ 6	⬇ 6			51.5		7.8	2.1	38.7
67	GIMPS.NEO	63420	⬇ 3	⬆ 1	⬆ 1				75.7	24.3
68	Team Finland	63026	⬇ 26	⬇ 15	⬇ 4		78.0	0.5	21.0		0.4
69	Team Israel	62609	⬇ 4				97.1		1.3	1.6
70	AMD Users	60335	⬇ 2		⬆ 1		77.3		14.4	8.3
71	Brno University of Technology	59490	⬇ 12	⬇ 8	⬇ 1			25.8	60.6	13.7
72	Team_Italia	58601	⬆ 5	⬆ 1	⬆ 1	⬆ 1	2.6		70.0	20.4	2.1	4.1
73	ParadoxZ Commando	57982		⬇ 1	⬇ 1	⬇ 1			73.7	26.3
74	AJ	57314	⬆ 1						76.5	23.5
75	Team Belgium	56834	⬇ 6	⬆ 2	⬆ 1		1.4	6.8	36.3	13.3	42.3
76	S147127	51902			⬇ 1		22.3		10.9	66.8
77	ComputerraRU	49346	⬇ 22	⬇ 2			15.9		74.6	9.5
78	Wile E. Coyote	47236	⬆ 3	⬆ 1					79.9	5.0	15.1
79	Team Viet Nam	44241	⬇ 31	⬇ 1			27.6		30.1	31.8	10.5
80	Team Austria	42028	⬇ 6				98.8			1.2
81	LimePrime	37828	⬇ 2	⬆ 1				6.9	88.3	4.8
82	MES-Team	37524	⬇ 10	⬇ 1			71.2	7.7		21.1
83	Team H	36812	⬇ 3	⬆ 1			9.5	1.2	88.8	0.5
84	Hermessz	35731	⬇ 1	⬆ 1	⬆ 1		58.8		41.2
85	socal_prime	35397	⬇ 7	⬇ 2	⬇ 1			0.9	66.9	32.1
86	huskers-gimps	32569	⬆ 11	⬆ 2	⬆ 1				73.9	26.1
87	Debian	31652	⬆ 4	⬆ 2	⬆ 1				98.3	1.7
88	HardOCP	31363	⬆ 2	⬇ 1	⬇ 2				78.7	21.3
89	Small-Team-2000	28554	⬇ 3	⬇ 3					11.0	89.0
90	Costa Rica	23776	⬇ 1	⬆ 1					75.1	24.6
91	á•™(⇀‸↼‶)á•—	21667	⬆ 45	⬆ 20			0.8		98.8	0.4
92	Channel 4	20580	⬆ 31	⬆ 10	⬆ 1				84.6	15.4
93	Team Retired	20519	⬆ 1	⬆ 1	⬇ 1				26.7	10.3
94	The Fellowship of Infinity	20258	⬆ 26	⬆ 7	⬆ 2				99.6	0.4
95	Turku	19934	⬆ 12	⬆ 37	⬆ 10	⬆ 2			100.0
96	PrimitiveRootsCircle	19656	⬆ 6	⬆ 4	⬇ 1	⬇ 1	31.4		44.0	22.1	2.5
97	NanJing Tech	19501	⬆ 139	⬆ 15	⬆ 1	⬇ 1			100.0
98	Team Norway	18840	⬇ 3	⬇ 5	⬇ 4	⬆ 1	80.6			4.0	13.9	1.3
99	A Single Engineer	18125	⬇ 1	⬇ 1	⬇ 2	⬇ 1			72.3	27.7
100	SpartaAlumni	17879	⬇ 4	⬇ 1					71.1	28.9
101	Quantus	17816	⬇ 14	⬇ 5			7.9		30.4	26.2		35.5
102	Ozzie Prime	17729	⬇ 9	⬇ 7				4.8	60.6	12.0		22.5
103	MurrayInfoSys	17721	⬆ 12	⬆ 3	⬆ 5				66.5	33.5
104	MadPoo	17697	⬇ 61	⬇ 14	⬇ 5			26.6		73.4
105	IOTA	17627	⬆ 131	⬆ 130	⬆ 19	⬆ 1	100.0
106	Portland State University	17528	⬇ 21	⬇ 14	⬇ 3	⬇ 1	23.2	26.8	36.2	13.8
107	Team Slovenia	15890	⬇ 19	⬇ 4	⬇ 3				73.0	27.0
108	Nerdfighters for Mersenne Primes	15268	⬇ 7	⬇ 3	⬇ 1	⬆ 1	3.1		81.0	16.0
109	VIPR	15198	⬆ 5	⬆ 9	⬆ 3	⬆ 1	25.3		51.7	23.0
110	GIMPS.Portugal	14583	⬇ 5	⬇ 2	⬇ 1	⬆ 1	0.1	71.7		28.1
111	GIMPS.Taiwan	14341	⬇ 11	⬇ 7	⬇ 5	⬇ 3			87.2	12.4	0.1
112	Spain	13636	⬇ 28	⬇ 15	⬇ 2				63.0	37.0
113	Politeknik Banting, Selangor	13505	⬇ 21	⬇ 6	⬇ 2		79.5		5.9	14.6
114	Hyperion	12885	⬇ 6	⬇ 1	⬇ 1				2.0	27.6
115	SETI.Germany	12752	⬇ 4	⬆ 1				7.4	24.8	67.7
116	moeses	12553	⬇ 7	⬇ 7					99.1	0.8
117	Mensa	12449							75.7	24.3
118	NUST	12234	⬆ 118	⬆ 19	⬆ 2		9.8	86.8		3.5
119	Granada	12222	⬇ 13	⬇ 9	⬇ 1		35.5		6.3	57.6
120	youngfun429	11141	⬇ 16	⬇ 5	⬇ 1				62.6	37.4
121	Abacus	11120	⬆ 3	⬆ 1					92.6	7.4
122	FREE ROBUX	10852	⬆ 114	⬇ 3					100.0
123	Royal Military College of Canada	10691	⬆ 113	⬇ 2			89.7		7.9	2.4
124	MES22-Team	10564	⬇ 25	⬇ 10	⬇ 10		100.0
125	Die Zeitfinder	10009	⬇ 15	⬇ 5					100.0
126	Syntony	9616	⬆ 1		⬆ 2	⬆ 3				100.0
127	FreeBSD	9578	⬇ 24	⬇ 4			0.5		87.1	12.4
128	JiBoTeam	9429	⬆ 1	⬇ 1	⬇ 2					100.0
129	Shaffer's Studio	8945	⬇ 8			⬆ 1			86.4	13.5
130	Triangle	8840	⬇ 12	⬇ 5		⬇ 4			96.2	3.8
131	TurkishMath	8560	⬇ 12	⬇ 3					91.1	8.9
132	Server66	8528	⬇ 2	⬇ 2			100.0
133	Aiblspitz	8341	⬆ 2				2.0	61.6	18.9	15.4	2.0
134	Furry Primes	8022	⬇ 3	⬇ 3			58.8		27.1	14.1
135	irowiki	7897	⬇ 7							100.0
136	Com Systems (RU)	7699	⬆ 33	⬆ 7					60.6	39.4
137	Team Splunk	7605	⬇ 4	⬇ 3				28.1	71.9
138	Prime Rib	6862	⬇ 22	⬆ 1	⬆ 2				97.0	3.0
139	WSU Cougars	6594	⬇ 2	⬇ 1					58.9	41.0
140	SU Prime Pirates	6437	⬆ 1		⬆ 1				61.5	38.5
141	Brasil	6426	⬇ 9	⬇ 5	⬇ 3				72.8	27.1
142	GIMPS Romania	6325	⬆ 4	⬆ 4	⬆ 3				100.0
143	University of Waterloo	6259	⬆ 1	⬇ 2	⬇ 1				100.0
144	Elisabeth-von-Thadden-Schule	6009	⬆ 4						38.6	61.4
145	Team Christensen	5820	⬇ 6	⬇ 3	⬇ 2					100.0
146	The_Dude_Abides	5303	⬇ 12	⬆ 4	⬆ 1		37.2			50.2
147	nmbarek_team	4960	⬇ 25	⬇ 23	⬆ 1	⬆ 1			99.6	0.4
148	Hong Kong GIMP	4901	⬆ 9	⬆ 6	⬆ 4	⬆ 1			63.6	36.4
149	teamMALI	4901		⬇ 4		⬆ 1			79.3	20.6
150	zeit	4791	⬇ 12	⬇ 1		⬆ 1	2.2			97.8
151	Danpi for GIMPS	4710		⬆ 2		⬆ 1	100.0
152	The East Coast	4426	⬇ 40	⬆ 4	⬆ 2	⬆ 1	99.3	0.7
153	Optimists Prime	4378	⬇ 6	⬇ 5	⬇ 7	⬇ 6		67.4	32.6
154	3DCenter.org	4211	⬇ 11	⬇ 3	⬆ 1						100.0
155	Olympic College	4166	⬆ 4	⬆ 4	⬆ 2					100.0
156	Kabylie	4155	⬇ 1	⬆ 1			15.8	4.5	37.5	42.2
157	International School of Beijing (ISB)	3851	⬇ 15	⬇ 10	⬇ 4				99.6	0.4
158	Phi Kappa Theta	3599	⬆ 6	⬆ 4					65.5	34.5
159	TunisianTeam	3415	⬇ 5	⬆ 1	⬆ 1	⬆ 1			22.7	77.3
160	GIMPS.Hong Kong	3272	⬇ 10	⬇ 2	⬇ 1	⬇ 1	3.9		47.1	49.0
161	RobotechResearch	3203	⬆ 20	⬆ 21	⬆ 1				99.6	0.4
162	Zorin OS Crew	3193	⬇ 6	⬆ 2	⬇ 1				70.2	29.7
163	México mágico	3142	⬆ 37	⬆ 10	⬆ 3				75.4	24.6
164	Team_Brazil	2999	⬆ 1	⬆ 1			83.1	0.2		16.7
165	FactorMania	2946	⬆ 64	⬆ 15				62.4			37.6
166	The Prime Pioneers	2541	⬆ 29	⬆ 21	⬆ 1		0.9	85.8		10.0	3.1
167	Crunching@EVGA	2521	⬆ 69	⬆ 14	⬆ 2				99.5	0.5
168	I Love Canadian Natural Resources	2507		⬇ 7	⬆ 2					100.0
169	Pi Rho	2498	⬆ 67	⬆ 66	⬆ 14				67.2	32.8
170	Noam Karni Team	2368	⬆ 20	⬆ 2	⬆ 1				66.8	33.2
171	VRS_SE	2359	⬆ 1	⬇ 2	⬆ 1				66.8	33.2
172	Korea.Prime	2331	⬆ 19	⬇ 2	⬆ 1				67.0	33.0
173	Saudi Primes	2268	⬇ 6	⬇ 2	⬆ 1					100.0
174	GIMPS_KS	2177	⬆ 62	⬆ 30	⬆ 2				36.9	61.7	1.4
175	GIMPSMalaysia	2120	⬆ 38	⬆ 14					75.4	24.5
176	Subprime Searches	2002	⬇ 5	⬇ 10	⬇ 8		87.2			12.8
177	The Pensis	1869	⬇ 1	⬇ 3						100.0
178	F=dp/dt	1845	⬇ 1	⬇ 3					85.8	14.2
179	Obsidian	1821		⬇ 2						100.0
180	GIMPS_IOM	1712		⬇ 2	⬆ 1		100.0
181	His Dark Materials	1662	⬇ 19	⬇ 5	⬆ 1					51.9	48.0
182	alan145	1607	⬇ 24	⬇ 14	⬇ 2		73.7	1.9		0.3	24.2
183	ANDY	1591	⬇ 30	⬇ 28	⬇ 20				98.2	1.8
184	San Francisco	1586	⬇ 2	⬇ 1					100.0
185	cr_colorado	1549	⬆ 7	⬆ 12						100.0
186	Artists of Fine Art	1540	⬇ 41	⬇ 23					99.4	0.6
187	TimE4This	1481	⬇ 2	⬇ 2	⬆ 1					100.0
188	CZAsTc	1447	⬆ 47	⬆ 45	⬆ 2				99.6	0.4
189	OcUK - Overclockers UK	1409	⬇ 3	⬇ 3	⬆ 2				100.0
190	math.auth.gr	1355	⬆ 18	⬆ 17	⬆ 2				61.7	38.3
191	Happy	1341	⬇ 3	⬇ 3	⬆ 2						99.9
192	EggCelentes	976	⬇ 22	⬇ 25	⬇ 5					100.0
193	BrainStone	955	⬇ 30	⬇ 14	⬇ 4					100.0
194	AWC	801	⬆ 42	⬆ 41	⬆ 2				100.0
195	Morocco	797	⬆ 41	⬆ 21	⬆ 12					100.0
196	GIMPS Asturias	794		⬇ 4	⬆ 1				99.6	0.4
197	Weatopians	793		⬇ 4	⬆ 1				99.7	0.3
198	Sæve Nordic Prime	781		⬇ 4	⬆ 1				100.0
199	hreid	776	⬇ 15	⬇ 4	⬆ 1				100.0
200	crazyBerlin	774	⬇ 60	⬇ 4	⬆ 1				100.0
201	UCLA Linux Users Group	769	⬇ 40	⬇ 17	⬆ 1				100.0
202	Black Mesa	765	⬇ 89	⬇ 50	⬇ 8				100.0
203	ISISS Valle Seriana	761	⬇ 4	⬇ 4					99.6	0.4
204	Join Us 😈	708	⬆ 5	⬆ 4			100.0
205	SGDynamo Dresden	596	⬇ 3	⬇ 3			100.0
206	PrimeObsession	539	⬆ 30							100.0
207	London Computation Club	478	⬆ 5	⬆ 3	⬆ 2	⬆ 1				100.0
208	Team Dominik Radler	413	⬆ 2	⬆ 3	⬆ 2	⬆ 1	100.0
209	Czech National Team	353	⬇ 57	⬇ 8	⬆ 3	⬆ 1	10.6			81.1	5.1
210	/r/counting	337	⬆ 17	⬆ 16	⬆ 3	⬆ 2
211	Team Bulgaria	337	⬇ 10	⬇ 8							100.0
212	KnightLight	315	⬆ 2	⬆ 1	⬆ 2	⬆ 1				99.3
213	Unteranger Primelurche	269	⬇ 9	⬆ 1	⬆ 2	⬆ 1				100.0
214	www.Adamek.biz	265	⬆ 1	⬆ 1	⬆ 2	⬆ 1				100.0
215	Math_Lovers	263	⬇ 26	⬇ 25	⬇ 7	⬇ 8				100.0
216	Therian Primes	262	⬆ 20	⬆ 1	⬆ 1					100.0
217	Math Teachers of the World	259	⬇ 1	⬆ 1	⬆ 1				100.0
218	GIMPS Hams	253	⬇ 1	⬆ 1	⬆ 1			100.0
219	Lithuania LT	247		⬆ 2	⬆ 1					100.0
220	DividerHunt	221	⬆ 3	⬆ 3	⬆ 1		100.0
221	Manri Costa Rica	213	⬇ 48	⬇ 30	⬇ 26					100.0
222	yfinder	208	⬇ 1	⬆ 2						100.0
223	Name (t) = A x e^kt	207	⬇ 12	⬇ 14						100.0
224	30thousandwon	193	⬇ 21	⬆ 1						100.0
225	GIMPS.Peace	122	⬆ 6	⬆ 2			44.7	55.3
226	TeamUbuntu	121	⬆ 2	⬆ 2						100.0
227	TeamEc	92	⬇ 21	⬇ 22							100.0
228	FourthFloorFourEyes	46	⬆ 2	⬆ 1			100.0
229	PROMYS	23	⬆ 3	⬆ 1							100.0
230	sannerud.com	10	⬆ 3	⬆ 2							100.0