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

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MnStatusDetails
183778873Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
821536454848556328220596412686.12024-10-04 05:15:09
P-1 factors
DateFactorB1B2
2024-10-048215364548485563282205964115320001483717950
History
DateUserTypeResult
2024-10-04Luke DurantF-PM1
Factor: 82153645484855632822059641 / (P-1, B1=1532000, B2=1483717950)
2019-05-19Valerio BellizzomiNF
no factor from 2^76 to 2^77
2019-05-19Valerio BellizzomiNF
no factor from 2^75 to 2^76
2019-05-19Valerio BellizzomiNF
no factor from 2^74 to 2^75
2019-05-19Valerio BellizzomiNF
no factor from 2^73 to 2^74
2019-05-19Valerio BellizzomiNF
no factor from 2^72 to 2^73
2019-05-19Valerio BellizzomiNF
no factor from 2^71 to 2^72
2018-12-06ZenghuiNF
no factor from 2^70 to 2^71
2018-10-05dinausaur.chNF
no factor from 2^69 to 2^70
2017-06-17Dave BellNF
no factor from 2^68 to 2^69
2016-07-12ANONYMOUSNF
no factor from 2^67 to 2^68
2015-08-06nikoszNF
no factor from 2^66 to 2^67
2013-05-14scotttybNF
no factor from 2^65 to 2^66
2011-03-29RichardNF
no factor from 2^64 to 2^65
2010-07-26Torchwood InstituteNF
no factor from 2^63 to 2^64