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

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MnStatusDetails
71540561Factored
FactorDigitsBitsDate
4468096821001850388095003778148732105.12015-03-08 13:59:00
P-1 factors
DateFactorB1B2
2015-03-084468096821001850388095003778148766000014025000
History
DateUserTypeResult
2015-03-08TheJudgerF-PM1
Factor: 44680968210018503880950037781487 / (P-1, B1=660000, B2=14025000, E=12)
2015-02-26chalsallNF
no factor from 2^73 to 2^74
2015-02-15Matthias WurtingerNF
no factor from 2^72 to 2^73
2014-12-29RichD0NF
no factor from 2^71 to 2^72
2014-05-04HBendtzNF
no factor from 2^70 to 2^71
2012-05-09ITSNF
no factor from 2^69 to 2^70
2010-09-20GrunwalderGIMPNF
no factor from 2^68 to 2^69
2010-09-18GrunwalderGIMPNF
no factor from 2^67 to 2^68
2010-05-04-Anonymous-NF
no factor from 2^66 to 2^67
2010-04-28-Anonymous-NF
no factor from 2^65 to 2^66
2010-04-28lindeeNF
no factor from 2^64 to 2^65
2008-10-19Wojciech FlorekNF
no factor to 2^64