Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
102256103Factored
FactorDigitsBitsDate
4172989263133510063450812478.52021-01-20 01:04:13
P-1 factors
DateFactorB1B2
2021-01-204172989263133510063450817370000
History
DateUserTypeResult
2021-01-20Jwb52zF-PM1
Factor: 417298926313351006345081 / (P-1, B1=737000)
2020-10-25Mark RoseNF
no factor from 2^75 to 2^76
2020-10-25Mark RoseNF
no factor from 2^74 to 2^75
2020-03-29SRBaseNF
no factor from 2^73 to 2^74
2019-11-26B3v4gy0kNF
no factor from 2^72 to 2^73
2014-12-14RichD0NF
no factor from 2^71 to 2^72
2014-04-22Andreas_TruetschNF
no factor from 2^70 to 2^71
2013-12-15-Anonymous-NF
no factor from 2^69 to 2^70
2013-09-15-Anonymous-NF
no factor from 2^68 to 2^69
2013-09-08Cow_tippingNF
no factor from 2^67 to 2^68
2013-09-07processinfoNF
no factor from 2^66 to 2^67
2012-04-21oodairaNF
no factor from 2^65 to 2^66
2010-08-18garoNF
no factor from 2^64 to 2^65
2010-04-121997rj7NF
no factor from 2^63 to 2^64