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

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MnStatusDetails
102407687Factored
FactorDigitsBitsDate
217493777620962427270833191532994.12021-01-30 11:07:28
P-1 factors
DateFactorB1B2
2021-01-3021749377762096242727083319153100000030000000
History
DateUserTypeResult
2021-01-30KrieselF-PM1
Factor: 21749377762096242727083319153 / (P-1, B1=1000000, B2=30000000)
2020-09-27RichD0NF
no factor from 2^75 to 2^76
2020-09-23RichD0NF
no factor from 2^74 to 2^75
2020-03-30SRBaseNF
no factor from 2^73 to 2^74
2020-03-06el groccoNF
no factor from 2^72 to 2^73
2019-01-16Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2018-12-29el groccoNF
no factor from 2^71 to 2^72
2014-06-09ITSNF
no factor from 2^70 to 2^71
2014-05-20SatanNF
no factor from 2^69 to 2^70
2014-05-10beardog32NF
no factor from 2^68 to 2^69
2013-08-30-Anonymous-NF
no factor from 2^67 to 2^68
2013-08-28PascalBieriNF
no factor from 2^66 to 2^67
2012-04-22D5 Fujitsu SiemensNF
no factor from 2^65 to 2^66
2010-08-18Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-171997rj7NF
no factor from 2^63 to 2^64