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

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MnStatusDetails
55715311Factored
FactorDigitsBitsDate
723975324143392601008628574175845130683140132.42019-01-07 07:10:57
LL
StatusDateUserResidueShift
Verified (Factored)2012-06-25curtisc4F6CBCD1A25C8CA824687617
P-1 factors
DateFactorB1B2
2019-01-077239753241433926010086285741758451306831200000040000000
History
DateUserTypeResult
2019-01-07VictordeHollanderF-PM1
Factor: 7239753241433926010086285741758451306831 / (P-1, B1=2000000, B2=40000000, E=6)
2016-02-19-Anonymous-NF
no factor from 2^72 to 2^73
2012-06-25curtiscC-LL
4F6CBCD1A25C8CA8
2012-05-07curtiscNF-PM1
B1=685000
2012-04-28XyzzyNF
no factor from 2^71 to 2^72
2012-04-28XyzzyNF
no factor from 2^70 to 2^71
2011-06-04scrolllockNF
no factor from 2^69 to 2^70
2011-04-08GrunwalderGIMPNF
no factor from 2^68 to 2^69
2009-06-07-Anonymous-NF
no factor from 2^67 to 2^68
2009-03-14Andreas JantosNF
no factor from 2^66 to 2^67
2009-01-08symalladNF
no factor from 2^65 to 2^66
2009-01-05Sturle SundeNF
no factor from 2^64 to 2^65
2008-09-22-Anonymous-NF
no factor to 2^64