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

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MnStatusDetails
74029213Factored
FactorDigitsBitsDate
626971518806902285429512375.72015-04-04 17:18:23
P-1 factors
DateFactorB1B2
2015-04-04626971518806902285429516050000
History
DateUserTypeResult
2015-04-04guruF-PM1
Factor: 62697151880690228542951 / (P-1, B1=605000)
2015-03-31fre_gamesNF
no factor from 2^74 to 2^75
2015-03-31fre_gamesNF
no factor from 2^73 to 2^74
2015-03-31fre_gamesNF
no factor from 2^72 to 2^73
2015-03-03RichD0NF
no factor from 2^71 to 2^72
2012-11-30S00030NF
no factor from 2^70 to 2^71
2012-10-16LordJuliusNF
no factor from 2^69 to 2^70
2010-08-30HatchNF
no factor from 2^68 to 2^69
2010-08-28TeraTismNF
no factor from 2^67 to 2^68
2010-08-27MarzbugNF
no factor from 2^66 to 2^67
2010-08-23MarzbugNF
no factor from 2^65 to 2^66
2010-06-18josiboNF
no factor from 2^64 to 2^65
2008-09-12lycornNF
no factor to 2^64