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

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MnStatusDetails
745283983Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
42081587991032273132392271.82019-09-02 04:33:38
History
DateUserTypeResult
2025-04-06James HeinrichF
Factor: 4208158799103227313239 / TF: 71-72
2019-09-02Smok_bmv F
Factor: 4208158799103227313239 / TF: 71-72*
2019-09-02Smok_bmv NF
no factor from 2^70 to 2^71
2015-10-20monstNF
no factor from 2^66 to 2^70
2014-02-12monstNF
no factor from 2^65 to 2^66
2011-06-02monstNF
no factor from 2^64 to 2^65
2010-06-21Architects CubedNF
no factor from 2^63 to 2^64