Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
99423391Factored
FactorDigitsBitsDate
155092050305596374246322457079585607337120.22020-06-29 20:01:04
P-1 factors
DateFactorB1B2
2020-06-2915509205030559637424632245707958560737750000
History
DateUserTypeResult
2020-06-29Ryan PropperF-PM1
Factor: 1550920503055963742463224570795856073 / (P-1, B1=775000)
2020-05-11TheJudgerNF
no factor from 2^76 to 2^77
2020-05-11TheJudgerNF
no factor from 2^75 to 2^76
2020-03-23LaurVNF
no factor from 2^74 to 2^75
2019-12-01chuenkitNF
no factor from 2^73 to 2^74
2019-04-11Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2017-01-12monstNF
no factor from 2^71 to 2^72
2014-10-10shaugeNF
no factor from 2^70 to 2^71
2014-10-05SMoffatNF
no factor from 2^69 to 2^70
2014-04-27Houd Al-ObaidliNF
no factor from 2^68 to 2^69
2014-04-22Carsten KossendeyNF
no factor from 2^66 to 2^68
2012-10-24Jimmy BrüggemannNF
no factor from 2^65 to 2^66
2010-12-151997rj7NF
no factor from 2^64 to 2^65