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

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MnStatusDetails
112252289Factored
FactorDigitsBitsDate
10308042278482431219665598072889.72021-10-21 00:01:37
P-1 factors
DateFactorB1B2
2021-10-21103080422784824312196655980745000004500000
History
DateUserTypeResult
2021-10-21Ernst W. MayerF-PM1
Factor: 1030804227848243121966559807 / (P-1, B1=4500000)
2021-01-08arpcarNF
no factor from 2^76 to 2^77
2020-12-04arpcarNF
no factor from 2^75 to 2^76
2020-11-21AyczlyNF
no factor from 2^74 to 2^75
2020-09-25LOBESNF
no factor from 2^73 to 2^74
2020-04-20SRBaseNF
no factor from 2^72 to 2^73
2019-01-05Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-12-19AK76NF
no factor from 2^70 to 2^71
2014-12-19AK76NF
no factor from 2^69 to 2^70
2013-11-16SMoffatNF
no factor from 2^68 to 2^69
2013-10-14PascalBieriNF
no factor from 2^67 to 2^68
2013-10-06PascalBieriNF
no factor from 2^66 to 2^67
2012-08-01Andrew BNF
no factor from 2^65 to 2^66
2010-09-24CommasterNF
no factor from 2^64 to 2^65
2010-05-06argusdustyNF
no factor from 2^63 to 2^64