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

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MnStatusDetails
663005911Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3122808826243018382632168.12017-09-11 02:48:11
History
DateUserTypeResult
2025-03-06James HeinrichF
Factor: 312280882624301838263 / TF: 68-70
2017-09-11Alex_soldierF
Factor: 312280882624301838263 / TF: 68-69*
2017-02-05sasakiNF
no factor from 2^67 to 2^68
2014-04-16sasakiNF
no factor from 2^66 to 2^67
2013-12-22sasakiNF
no factor from 2^65 to 2^66
2012-01-24albin_pouillesNF
no factor from 2^64 to 2^65
2010-06-08Architects CubedNF
no factor from 2^63 to 2^64