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

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MnStatusDetails
99616211Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21066262928248948888246572580.82020-07-07 19:19:13
P-1 factors
DateFactorB1B2
2020-07-07210662629282489488882465777500015306250
History
DateUserTypeResult
2020-07-07ky0urakuF-PM1
Factor: 2106626292824894888824657 / (P-1, B1=775000, B2=15306250, E=12)
2020-07-021997rj7NF
no factor from 2^76 to 2^77
2020-07-021997rj7NF
no factor from 2^75 to 2^76
2020-03-19CADukeNF
no factor from 2^74 to 2^75
2019-12-16Hans LoeblichNF
no factor from 2^73 to 2^74
2019-04-02Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2017-02-02monstNF
no factor from 2^71 to 2^72
2014-05-28SMoffatNF
no factor from 2^70 to 2^71
2014-03-25-Anonymous-NF
no factor from 2^69 to 2^70
2014-03-20-Anonymous-NF
no factor from 2^68 to 2^69
2013-08-16america64NF
no factor from 2^67 to 2^68
2013-08-13lexatrefNF
no factor from 2^66 to 2^67
2012-08-18Jimmy BrüggemannNF
no factor from 2^65 to 2^66
2010-11-031997rj7NF
no factor from 2^64 to 2^65