Mersenne top factors

show/hide forum code

M202751 has a factor: 22561877409188999241425324986327 (104.154 bits)
M195497 has a factor: 1152029602502639036191569483857 (99.862 bits)
M239711 has a factor: 26003551681531218751223837473 (94.393 bits)
M269257 has a factor: 3839741304415281189675669239 (91.633 bits)
M276319 has a factor: 282826081012990144494284359 (87.870 bits)
M213287 has a factor: 168037486702060395928823417 (87.119 bits)
M1798817 has a factor: 15892700113036820188108711 (83.717 bits)
M1738973 has a factor: 469220664589051802804959 (78.635 bits)
M282427 has a factor: 315186527235319050378161 (78.061 bits)
M1813219 has a factor: 9103586058235616460433 (72.947 bits)
M1800577 has a factor: 1050385285256123645519 (69.831 bits)
M1757993 has a factor: 186321899878291695599 (67.336 bits)
M1815943 has a factor: 143715197943672692353 (66.962 bits)
M1780379 has a factor: 143721683019973370167 (66.962 bits)
M1785599 has a factor: 125427034650015878777 (66.765 bits)
M183979 has a factor: 353551230867241417 (58.295 bits)
M242813 has a factor: 266179587101747071 (57.885 bits)

For copy-paste to forum:

[M]M202751[/M] has a 104.154-bit (32-digit) factor: [url=https://www.mersenne.ca/M202751]22561877409188999241425324986327[/url] (ECM)
[M]M195497[/M] has a 99.862-bit (31-digit) factor: [url=https://www.mersenne.ca/M195497]1152029602502639036191569483857[/url] (ECM)
[M]M239711[/M] has a 94.393-bit (29-digit) factor: [url=https://www.mersenne.ca/M239711]26003551681531218751223837473[/url] (ECM)
[M]M269257[/M] has a 91.633-bit (28-digit) factor: [url=https://www.mersenne.ca/M269257]3839741304415281189675669239[/url] (ECM)
[M]M276319[/M] has a 87.870-bit (27-digit) factor: [url=https://www.mersenne.ca/M276319]282826081012990144494284359[/url] (ECM)
[M]M213287[/M] has a 87.119-bit (27-digit) factor: [url=https://www.mersenne.ca/M213287]168037486702060395928823417[/url] (ECM)
[M]M1798817[/M] has a 83.717-bit (26-digit) factor: [url=https://www.mersenne.ca/M1798817]15892700113036820188108711[/url] (ECM)
[M]M1738973[/M] has a 78.635-bit (24-digit) factor: [url=https://www.mersenne.ca/M1738973]469220664589051802804959[/url] (ECM)
[M]M282427[/M] has a 78.061-bit (24-digit) factor: [url=https://www.mersenne.ca/M282427]315186527235319050378161[/url] (ECM)
[M]M1813219[/M] has a 72.947-bit (22-digit) factor: [url=https://www.mersenne.ca/M1813219]9103586058235616460433[/url] (ECM)
[M]M1800577[/M] has a 69.831-bit (22-digit) factor: [url=https://www.mersenne.ca/M1800577]1050385285256123645519[/url] (ECM)
[M]M1757993[/M] has a 67.336-bit (21-digit) factor: [url=https://www.mersenne.ca/M1757993]186321899878291695599[/url] (ECM)
[M]M1815943[/M] has a 66.962-bit (21-digit) factor: [url=https://www.mersenne.ca/M1815943]143715197943672692353[/url] (ECM)
[M]M1780379[/M] has a 66.962-bit (21-digit) factor: [url=https://www.mersenne.ca/M1780379]143721683019973370167[/url] (ECM)
[M]M1785599[/M] has a 66.765-bit (21-digit) factor: [url=https://www.mersenne.ca/M1785599]125427034650015878777[/url] (ECM)
[M]M183979[/M] has a 58.295-bit (18-digit) factor: [url=https://www.mersenne.ca/M183979]353551230867241417[/url] (ECM,B1=250000,B2=25000000)
[M]M242813[/M] has a 57.885-bit (18-digit) factor: [url=https://www.mersenne.ca/M242813]266179587101747071[/url] (ECM,B1=250000,B2=25000000)

0M	<	10¹⁰	All tracked exponents
0M	<	2³²	GPU TF range
0M	<	1000M	PrimeNet range
0M	<	193M	low-PrimeNet, low-res
0M	<	385M	low-PrimeNet, high-res
50M	<	146M	PrimeNet wavefront

Biggest factors for Greg	nfs	ecm	p-1	p+1	any
Biggest factors (all users)	nfs	ecm	p-1	p+1	any
Recent factors (all users)	nfs	ecm	p-1	p+1	any
Search by user	nfs	ecm	p-1	p+1	any

Top factors of Mersenne numbers

Top factors of all time for Greg

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	Greg	202751	22561877409188999241425324986327	32	104.154	2020-04-26
2	Greg	195497	1152029602502639036191569483857	31	99.862	2020-04-30
3	Greg	239711	26003551681531218751223837473	29	94.393	2020-04-30
4	Greg	269257	3839741304415281189675669239	28	91.633	2020-04-28
5	Greg	276319	282826081012990144494284359	27	87.870	2020-04-28
6	Greg	213287	168037486702060395928823417	27	87.119	2020-04-27
7	Greg	1798817	15892700113036820188108711	26	83.717	2020-04-28
8	Greg	1738973	469220664589051802804959	24	78.635	2020-04-28
9	Greg	282427	315186527235319050378161	24	78.061	2020-04-28
10	Greg	1813219	9103586058235616460433	22	72.947	2020-04-29
11	Greg	1800577	1050385285256123645519	22	69.831	2020-04-29
12	Greg	1757993	186321899878291695599	21	67.336	2020-04-29
13	Greg	1815943	143715197943672692353	21	66.962	2020-05-01
14	Greg	1780379	143721683019973370167	21	66.962	2020-04-28
15	Greg	1785599	125427034650015878777	21	66.765	2020-05-01
16	Greg	183979	353551230867241417	18	58.295	2020-04-30
17	Greg	242813	266179587101747071	18	57.885	2020-04-30