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
894022483Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
40078987213428364357672271.82019-03-01 07:18:01
History
DateUserTypeResult
2025-03-23James HeinrichF
Factor: 4007898721342836435767 / TF: 71-72
2019-03-01Smok_bmv F
Factor: 4007898721342836435767 / TF: 71-72*
2019-03-01Smok_bmv NF
no factor from 2^70 to 2^71
2016-09-29ramgeisNF
no factor from 2^68 to 2^70
2015-05-25sasakiNF
no factor from 2^67 to 2^68
2015-04-24sasakiNF
no factor from 2^66 to 2^67
2013-06-20america64NF
no factor from 2^65 to 2^66
2010-10-28Architects CubedNF
no factor from 2^64 to 2^65
2010-04-20Architects CubedNF
no factor from 2^63 to 2^64