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
655036183Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
15635523173503916287372270.42020-02-05 03:29:38
History
DateUserTypeResult
2020-02-05Smok_bmv F
Factor: 1563552317350391628737 / TF: 70-71
2018-10-08Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2017-07-01sasakiNF
no factor from 2^68 to 2^69
2017-02-10sasakiNF
no factor from 2^67 to 2^68
2014-06-29sasakiNF
no factor from 2^66 to 2^67
2014-03-16america64NF
no factor from 2^65 to 2^66
2010-11-07Architects CubedNF
no factor from 2^64 to 2^65
2010-07-23Architects CubedNF
no factor from 2^63 to 2^64