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

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MnStatusDetails
52733041Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5251481225261149162732168.82012-01-05 10:55:04
History
DateUserTypeResult
2012-01-05Jerry HallettF
Factor: 525148122526114916273
2011-12-17megavinkNF
no factor from 2^71 to 2^72
2011-12-17megavinkNF
no factor from 2^70 to 2^71
2011-11-28BdotNF
no factor from 2^69 to 2^70
2010-03-28sannerud.comNF
no factor from 2^68 to 2^69
2009-04-24CorranNF
no factor from 2^67 to 2^68
2009-02-13dgriffie79NF
no factor from 2^66 to 2^67
2009-02-12dgriffie79NF
no factor from 2^65 to 2^66
2009-02-11dgriffie79NF
no factor from 2^64 to 2^65
2008-11-13DerekNF
no factor to 2^64