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
81264809Factored
FactorDigitsBitsDate
49948791362613181836033132582.02017-05-31 12:38:24
P-1 factors
DateFactorB1B2
2017-05-31499487913626131818360331371500013942500
History
DateUserTypeResult
2017-05-31La GüiraF-PM1
Factor: 4994879136261318183603313
2016-11-04-Anonymous-NF
no factor from 2^74 to 2^75
2016-11-04-Anonymous-NF
no factor from 2^73 to 2^74
2016-09-14Judge HaleNF
no factor from 2^72 to 2^73
2016-09-14Judge HaleNF
no factor from 2^71 to 2^72
2011-02-22UngelovendeNF
no factor from 2^70 to 2^71
2011-02-22UngelovendeNF
no factor from 2^69 to 2^70
2011-02-22UngelovendeNF
no factor from 2^68 to 2^69
2011-02-22UngelovendeNF
no factor from 2^67 to 2^68
2011-02-22UngelovendeNF
no factor from 2^65 to 2^67
2010-12-03Architects CubedNF
no factor from 2^64 to 2^65