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
691128283Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
43963246182903330794232271.92020-03-14 03:29:28
History
DateUserTypeResult
2020-03-14Smok_bmv F
Factor: 4396324618290333079423 / TF: 71-72
2018-11-29Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2018-08-28srow7NF
no factor from 2^69 to 2^70
2018-03-01Alex_soldierNF
no factor from 2^68 to 2^69
2014-08-21sasakiNF
no factor from 2^66 to 2^68
2013-12-16sasakiNF
no factor from 2^65 to 2^66
2012-02-05OS1NF
no factor from 2^64 to 2^65
2010-06-26Architects CubedNF
no factor from 2^63 to 2^64