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

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MnStatusDetails
66038201Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
42013923614796630107472492581.82014-05-03 23:36:30
P-1 factors
DateFactorB1B2
2014-05-0342013923614796630107472496350000
History
DateUserTypeResult
2024-05-10James HeinrichNF
no factor from 2^68 to 2^69
2014-05-03bayanneF-PM1
Factor: 4201392361479663010747249 / (P-1, B1=635000)
2014-04-22Aaron HavilandNF
no factor from 2^72 to 2^73
2014-04-22Aaron HavilandNF
no factor from 2^71 to 2^72
2013-10-27Architects CubedNF
no factor from 2^70 to 2^71
2012-02-01Simon HarrisonNF
no factor from 2^69 to 2^70
2010-05-29SADMASTERNF
no factor from 2^68 to 2^69
2010-05-24EPFNF
no factor from 2^67 to 2^68
2010-04-29-Anonymous-NF
no factor from 2^66 to 2^67
2010-02-26Pi_RhoNF
no factor from 2^65 to 2^66
2009-03-31Sturle SundeNF
no factor from 2^64 to 2^65
2009-03-291997rj7NF
no factor to 2^64