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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MnStatusDetails
58145281Factored
FactorDigitsBitsDate
318842478121053332632064.82012-10-12 03:57:26
P-1 factors
DateFactorB1B2
2012-10-123188424781210533326354000010800000
History
DateUserTypeResult
2022-06-27LordJuliusNF
no factor from 2^61 to 2^63
2012-10-12S01103F-PM1
Factor: 31884247812105333263
2012-09-11bcp19NF
no factor from 2^72 to 2^73
2012-06-04Kyle AskineNF
no factor from 2^71 to 2^72
2011-11-09-Anonymous-NF
no factor from 2^70 to 2^71
2011-09-29dmaineNF
no factor from 2^69 to 2^70
2011-08-26Carsten KossendeyNF
no factor from 2^68 to 2^69
2009-07-29PrimewiseNF
no factor from 2^67 to 2^68
2008-10-27KYOJI_KAMEINF
no factor from 2^66 to 2^67
2008-10-27KYOJI_KAMEINF
no factor from 2^65 to 2^66
2008-10-27KYOJI_KAMEINF
no factor from 2^64 to 2^65
2008-10-27Fanchar LandagNF
no factor from 2^63 to 2^64