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

PrimeNet Exponent Status

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MnStatusDetails
97987471Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
30727513705731415995774892581.32020-05-21 20:09:46
P-1 factors
DateFactorB1B2
2020-05-2130727513705731415995774897150000
History
DateUserTypeResult
2024-05-10James HeinrichNF
no factor from 2^68 to 2^69
2020-05-21Sergey NosovF-PM1
Factor: 3072751370573141599577489 / (P-1, B1=715000)
2020-04-10SRBaseNF
no factor from 2^77 to 2^78
2020-02-09TheJudgerNF
no factor from 2^76 to 2^77
2020-01-22TheJudgerNF
no factor from 2^75 to 2^76
2020-01-22TheJudgerNF
no factor from 2^74 to 2^75
2019-11-10el groccoNF
no factor from 2^73 to 2^74
2019-03-07Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-12-27Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-07-08-Anonymous-NF
no factor from 2^70 to 2^71
2014-07-07Travis Glenn RussoNF
no factor from 2^70 to 2^71
2013-11-06SADMASTERNF
no factor from 2^69 to 2^70
2013-09-30SADMASTERNF
no factor from 2^68 to 2^69
2013-07-29EratosthenesNF
no factor from 2^67 to 2^68
2013-07-27Le ComteNF
no factor from 2^66 to 2^67
2013-07-27JoDuNF
no factor from 2^65 to 2^66
2011-01-16Architects CubedNF
no factor from 2^64 to 2^65