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

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MnStatusDetails
396127783Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
22815582901886551619032271.02020-02-03 05:32:28
History
DateUserTypeResult
2025-04-04James HeinrichF
Factor: 2281558290188655161903 / TF: 70-71
2020-02-03Smok_bmv F
Factor: 2281558290188655161903 / TF: 70-71*
2017-09-11mikrNF
no factor from 2^68 to 2^70
2017-02-14ANONYMOUSNF
no factor from 2^67 to 2^68
2016-04-15DerekNF
no factor from 2^66 to 2^67
2014-05-31OS1NF
no factor from 2^65 to 2^66
2010-05-06Architects CubedNF
no factor from 2^64 to 2^65