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
363087883Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
15561370407126753895032270.42019-12-11 04:33:55
History
DateUserTypeResult
2025-04-09James HeinrichF
Factor: 1556137040712675389503 / TF: 70-71
2024-06-01James HeinrichNF
no factor from 2^68 to 2^69
2019-12-11Smok_bmv F
Factor: 1556137040712675389503 / TF: 70-71*
2019-02-05Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2019-02-04sasakiNF
no factor from 2^69 to 2^70
2018-07-12ConductorNF
no factor from 2^68 to 2^69
2017-01-31Da2001NF
no factor from 2^67 to 2^68
2016-03-23ANONYMOUSNF
no factor from 2^66 to 2^67
2014-03-21KAMCOBILLNF
no factor from 2^65 to 2^66
2011-02-19Architects CubedNF
no factor from 2^64 to 2^65