Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
103801651Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1663756720978284886561075506893097.12021-05-25 14:42:12
P-1 factors
DateFactorB1B2
2021-05-2516637567209782848865610755068975600022437000
History
DateUserTypeResult
2021-05-25David HruskaF-PM1
Factor: 166375672097828488656107550689 / (P-1, B1=756000, B2=22437000, E=6)
2020-08-29ktonyNF
no factor from 2^75 to 2^76
2020-03-16LaurVNF
no factor from 2^74 to 2^75
2019-09-11Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-09-11Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-01-28RMAC9.5NF
no factor from 2^71 to 2^72
2014-10-23workerthreadNF
no factor from 2^70 to 2^71
2014-05-08Smok_bmv NF
no factor from 2^69 to 2^70
2014-05-08Smok_bmv NF
no factor from 2^68 to 2^69
2014-05-08Smok_bmv NF
no factor from 2^66 to 2^68
2012-05-04RichardNF
no factor from 2^65 to 2^66
2010-08-24Mr-PlonkNF
no factor from 2^64 to 2^65
2010-04-18James HintzNF
no factor from 2^63 to 2^64