Mersenne top factors

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M186391 has a factor: 14101647969970803566376566744480905327 (123.407 bits)
M191831 has a factor: 64420846264779745996977628919183 (105.667 bits)
M312679 has a factor: 611308208405805898451082965681 (98.948 bits)
M312701 has a factor: 105810733663308463342290894119 (96.417 bits)
M189019 has a factor: 34190176681862250716878452089 (94.788 bits)
M318979 has a factor: 3259402467944704717915869617 (91.397 bits)
M190391 has a factor: 3192010316749707942549563143 (91.367 bits)
M2231861 has a factor: 3047824073060502758036382503 (91.300 bits)
M315437 has a factor: 292549429506789621247760447 (87.919 bits)
M8102597 has a factor: 4487826329857459004842457 (81.892 bits)
M5780329 has a factor: 3447360324357669786017279 (81.512 bits)
M5794483 has a factor: 1184755540459419532377737 (79.971 bits)
M5994617 has a factor: 1153417829298170536148273 (79.932 bits)
M3361333 has a factor: 103859959839156345519193 (76.459 bits)
M7227251 has a factor: 70146373976118058831049 (75.893 bits)
M2489777 has a factor: 61770540293813986984409 (75.709 bits)
M6663257 has a factor: 46696305820465990805497 (75.306 bits)
M5880493 has a factor: 35812363083265835199577 (74.923 bits)
M6863827 has a factor: 35210832196754838826177 (74.898 bits)
M3374489 has a factor: 20267482793197326601297 (74.102 bits)
M2229713 has a factor: 18354420468921646459447 (73.959 bits)
M6088613 has a factor: 12121785888082681601969 (73.360 bits)
M5712919 has a factor: 10714761020664680974441 (73.182 bits)
M6663257 has a factor: 958799067458545318337 (69.700 bits)
M7114573 has a factor: 676514406089822719567 (69.197 bits)
M5680097 has a factor: 388873006677341110231 (68.398 bits)
M7620407 has a factor: 289835537809028670601 (67.974 bits)

For copy-paste to forum:

[M]M186391[/M] has a 123.407-bit (38-digit) factor: [url=https://www.mersenne.ca/M186391]14101647969970803566376566744480905327[/url] (ECM,B1=1000000,B2=100000000)
[M]M191831[/M] has a 105.667-bit (32-digit) factor: [url=https://www.mersenne.ca/M191831]64420846264779745996977628919183[/url] (ECM,B1=1000000,B2=100000000)
[M]M312679[/M] has a 98.948-bit (30-digit) factor: [url=https://www.mersenne.ca/M312679]611308208405805898451082965681[/url] (ECM,B1=250000,B2=25000000)
[M]M312701[/M] has a 96.417-bit (30-digit) factor: [url=https://www.mersenne.ca/M312701]105810733663308463342290894119[/url] (ECM,B1=250000,B2=25000000)
[M]M189019[/M] has a 94.788-bit (29-digit) factor: [url=https://www.mersenne.ca/M189019]34190176681862250716878452089[/url] (ECM,B1=1000000,B2=100000000)
[M]M318979[/M] has a 91.397-bit (28-digit) factor: [url=https://www.mersenne.ca/M318979]3259402467944704717915869617[/url] (ECM,B1=250000,B2=25000000)
[M]M190391[/M] has a 91.367-bit (28-digit) factor: [url=https://www.mersenne.ca/M190391]3192010316749707942549563143[/url] (ECM,B1=1000000,B2=100000000)
[M]M2231861[/M] has a 91.300-bit (28-digit) factor: [url=https://www.mersenne.ca/M2231861]3047824073060502758036382503[/url] (ECM,B1=50000,B2=5000000)
[M]M315437[/M] has a 87.919-bit (27-digit) factor: [url=https://www.mersenne.ca/M315437]292549429506789621247760447[/url] (ECM,B1=250000,B2=25000000)
[M]M8102597[/M] has a 81.892-bit (25-digit) factor: [url=https://www.mersenne.ca/M8102597]4487826329857459004842457[/url] (ECM,B1=50000,B2=5000000)
[M]M5780329[/M] has a 81.512-bit (25-digit) factor: [url=https://www.mersenne.ca/M5780329]3447360324357669786017279[/url] (ECM,B1=50000,B2=5000000)
[M]M5794483[/M] has a 79.971-bit (25-digit) factor: [url=https://www.mersenne.ca/M5794483]1184755540459419532377737[/url] (ECM,B1=50000,B2=5000000)
[M]M5994617[/M] has a 79.932-bit (25-digit) factor: [url=https://www.mersenne.ca/M5994617]1153417829298170536148273[/url] (ECM,B1=50000,B2=5000000)
[M]M3361333[/M] has a 76.459-bit (24-digit) factor: [url=https://www.mersenne.ca/M3361333]103859959839156345519193[/url] (ECM,B1=50000,B2=5000000)
[M]M7227251[/M] has a 75.893-bit (23-digit) factor: [url=https://www.mersenne.ca/M7227251]70146373976118058831049[/url] (ECM,B1=50000,B2=5000000)
[M]M2489777[/M] has a 75.709-bit (23-digit) factor: [url=https://www.mersenne.ca/M2489777]61770540293813986984409[/url] (ECM,B1=50000,B2=5000000)
[M]M6663257[/M] has a 75.306-bit (23-digit) factor: [url=https://www.mersenne.ca/M6663257]46696305820465990805497[/url] (ECM,B1=50000,B2=5000000)
[M]M5880493[/M] has a 74.923-bit (23-digit) factor: [url=https://www.mersenne.ca/M5880493]35812363083265835199577[/url] (ECM,B1=50000,B2=5000000)
[M]M6863827[/M] has a 74.898-bit (23-digit) factor: [url=https://www.mersenne.ca/M6863827]35210832196754838826177[/url] (ECM,B1=50000,B2=5000000)
[M]M3374489[/M] has a 74.102-bit (23-digit) factor: [url=https://www.mersenne.ca/M3374489]20267482793197326601297[/url] (ECM,B1=50000,B2=5000000)
[M]M2229713[/M] has a 73.959-bit (23-digit) factor: [url=https://www.mersenne.ca/M2229713]18354420468921646459447[/url] (ECM,B1=50000,B2=5000000)
[M]M6088613[/M] has a 73.360-bit (23-digit) factor: [url=https://www.mersenne.ca/M6088613]12121785888082681601969[/url] (ECM,B1=50000,B2=5000000)
[M]M5712919[/M] has a 73.182-bit (23-digit) factor: [url=https://www.mersenne.ca/M5712919]10714761020664680974441[/url] (ECM,B1=50000,B2=5000000)
[M]M6663257[/M] has a 69.700-bit (21-digit) factor: [url=https://www.mersenne.ca/M6663257]958799067458545318337[/url] (ECM,B1=50000,B2=5000000)
[M]M7114573[/M] has a 69.197-bit (21-digit) factor: [url=https://www.mersenne.ca/M7114573]676514406089822719567[/url] (ECM,B1=50000,B2=5000000)
[M]M5680097[/M] has a 68.398-bit (21-digit) factor: [url=https://www.mersenne.ca/M5680097]388873006677341110231[/url] (ECM,B1=50000,B2=5000000)
[M]M7620407[/M] has a 67.974-bit (21-digit) factor: [url=https://www.mersenne.ca/M7620407]289835537809028670601[/url] (ECM,B1=50000,B2=5000000)

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

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Top factors of Mersenne numbers

Top factors of all time for nranks

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	nranks	186391	14101647969970803566376566744480905327	38	123.407	2020-01-03
2	nranks	191831	64420846264779745996977628919183	32	105.667	2019-12-29
3	nranks	312679	611308208405805898451082965681	30	98.948	2019-11-10
4	nranks	312701	105810733663308463342290894119	30	96.417	2019-11-28
5	nranks	189019	34190176681862250716878452089	29	94.788	2020-01-13
6	nranks	318979	3259402467944704717915869617	28	91.397	2019-11-24
7	nranks	190391	3192010316749707942549563143	28	91.367	2020-01-03
8	nranks	2231861	3047824073060502758036382503	28	91.300	2020-04-16
9	nranks	315437	292549429506789621247760447	27	87.919	2019-11-23
10	nranks	8102597	4487826329857459004842457	25	81.892	2019-01-25
11	nranks	5780329	3447360324357669786017279	25	81.512	2019-05-07
12	nranks	5794483	1184755540459419532377737	25	79.971	2016-01-01
13	nranks	5994617	1153417829298170536148273	25	79.932	2016-03-25
14	nranks	3361333	103859959839156345519193	24	76.459	2019-04-08
15	nranks	7227251	70146373976118058831049	23	75.893	2017-11-23
16	nranks	2489777	61770540293813986984409	23	75.709	2015-07-23
17	nranks	6663257	46696305820465990805497	23	75.306	2017-07-28
18	nranks	5880493	35812363083265835199577	23	74.923	2019-06-28
19	nranks	6863827	35210832196754838826177	23	74.898	2017-03-07
20	nranks	3374489	20267482793197326601297	23	74.102	2019-04-16
21	nranks	2229713	18354420468921646459447	23	73.959	2020-03-25
22	nranks	6088613	12121785888082681601969	23	73.360	2016-05-03
23	nranks	5712919	10714761020664680974441	23	73.182	2015-11-05
24	nranks	6663257	958799067458545318337	21	69.700	2017-07-28
25	nranks	7114573	676514406089822719567	21	69.197	2017-09-10
26	nranks	5680097	388873006677341110231	21	68.398	2015-10-02
27	nranks	7620407	289835537809028670601	21	67.974	2018-05-17