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

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MnStatusDetails
68556949Factored
FactorDigitsBitsDate
126547938542434101500800024141789528772940129.92014-09-21 14:50:21
P-1 factors
DateFactorB1B2
2014-09-21126547938542434101500800024141789528772962500012968750
History
DateUserTypeResult
2014-09-21TheJudgerF-PM1
Factor: 1265479385424341015008000241417895287729 / (P-1, B1=625000, B2=12968750, E=12)
2014-09-14TheJudgerNF
no factor from 2^73 to 2^74
2014-09-14TheJudgerNF
no factor from 2^72 to 2^73
2014-07-30RichD0NF
no factor from 2^71 to 2^72
2012-09-27Bold_SeekerNF
no factor from 2^70 to 2^71
2012-03-07GrunwalderGIMPNF
no factor from 2^69 to 2^70
2010-06-27GrunwalderGIMPNF
no factor from 2^68 to 2^69
2010-06-26WorknPlayNF
no factor from 2^67 to 2^68
2010-06-25lindedNF
no factor from 2^66 to 2^67
2010-01-25symalladNF
no factor from 2^65 to 2^66
2010-01-20Sturle SundeNF
no factor from 2^64 to 2^65
2009-01-061997rj7NF
no factor to 2^64