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

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MnStatusDetails
73136311Factored
FactorDigitsBitsDate
25073207519598434184530122120082169736117.62015-10-30 11:26:46
P-1 factors
DateFactorB1B2
2015-10-3025073207519598434184530122120082169765500013755000
History
DateUserTypeResult
2015-10-30Travis Glenn RussoF-PM1
Factor: 250732075195984341845301221200821697 / (P-1, B1=655000, B2=13755000, E=12)
2015-04-14NickOfTimeNF
no factor from 2^73 to 2^74
2015-04-11BdotNF
no factor from 2^72 to 2^73
2014-01-14mikrNF
no factor from 2^71 to 2^72
2013-05-01ddboy3NF
no factor from 2^70 to 2^71
2012-12-01keithmclNF
no factor from 2^69 to 2^70
2011-01-25ANONYMOUSNF
no factor from 2^68 to 2^69
2010-10-05-Anonymous-NF
no factor from 2^67 to 2^68
2010-10-03-Anonymous-NF
no factor from 2^66 to 2^67
2010-08-02arnaudNF
no factor from 2^65 to 2^66
2010-07-30Bold_SeekerNF
no factor from 2^64 to 2^65
2008-06-28George WoltmanNF
no factor to 2^64