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
49571087Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
154532904732732901563192373.72019-07-02 22:41:06
LL
StatusDateUserResidueShift
Verified (Factored)2010-08-24Paul Shepherd6A77DA83F1C8DC0B21397560
History
DateUserTypeResult
2025-06-16GregF
Factor: 15453290473273290156319 / TF: 73-74
2024-08-16tbusbyNF
no factor from 2^69 to 2^70
2019-07-02-Anonymous-F
Factor: 15453290473273290156319 / TF: 73-74*
2017-12-23monstNF
no factor from 2^72 to 2^73
2015-11-16LaurVNF
no factor from 2^71 to 2^72
2015-10-01GregNF
no factor from 2^70 to 2^71
2015-07-20Architects CubedNF
no factor from 2^69 to 2^70
2010-08-24Paul ShepherdC-LL
6A77DA83F1C8DC0B
2010-06-17Paul ShepherdNF-PM1
B1=540000, B2=7830000