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

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MnStatusDetails
101323843Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
29687402446102009247738412581.32020-11-29 18:19:40
P-1 factors
DateFactorB1B2
2020-11-292968740244610200924773841750000750000
History
DateUserTypeResult
2020-11-29ky0urakuF-PM1
Factor: 2968740244610200924773841 / (P-1, B1=750000)
2020-10-02George WoltmanNF
no factor from 2^75 to 2^76
2020-10-02el groccoNF
no factor from 2^74 to 2^75
2020-03-27Hans LoeblichNF
no factor from 2^73 to 2^74
2020-03-21el groccoNF
no factor from 2^72 to 2^73
2014-12-01shaugeNF
no factor from 2^71 to 2^72
2014-04-10Antonio MolinaNF
no factor from 2^70 to 2^71
2013-09-29-Anonymous-NF
no factor from 2^69 to 2^70
2013-09-14-Anonymous-NF
no factor from 2^68 to 2^69
2013-08-28timc995NF
no factor from 2^67 to 2^68
2013-08-26timc995NF
no factor from 2^66 to 2^67
2011-07-17riccardo ubertiNF
no factor from 2^65 to 2^66
2010-08-13Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-03-151997rj7NF
no factor from 2^63 to 2^64