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
102192683Factored
FactorDigitsBitsDate
15285152787155548711224312580.32021-01-16 00:10:12
P-1 factors
DateFactorB1B2
2021-01-16152851527871555487112243173600019894000
History
DateUserTypeResult
2022-03-30LordJuliusNF
no factor from 2^1 to 2^67
2021-01-16Jwb52zF-PM1
Factor: 1528515278715554871122431 / (P-1, B1=736000, B2=19894000)
2020-10-19Mark RoseNF
no factor from 2^75 to 2^76
2020-10-19Mark RoseNF
no factor from 2^74 to 2^75
2020-03-30SRBaseNF
no factor from 2^73 to 2^74
2020-02-29el groccoNF
no factor from 2^72 to 2^73
2014-12-09Simon HarrisonNF
no factor from 2^71 to 2^72
2014-04-22Andreas_TruetschNF
no factor from 2^70 to 2^71
2013-10-08fre_gamesNF
no factor from 2^69 to 2^70
2013-10-04ANONYMOUSNF
no factor from 2^68 to 2^69
2013-09-29SMoffatNF
no factor from 2^67 to 2^68
2013-09-07processinfoNF
no factor from 2^66 to 2^67
2012-06-21Andrew BNF
no factor from 2^65 to 2^66
2010-08-18RichardNF
no factor from 2^64 to 2^65
2010-05-021997rj7NF
no factor from 2^63 to 2^64