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

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MnStatusDetails
72518987Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
557585340383284379301292375.62022-12-25 19:11:35
LL
StatusDateUserResidueShift
Verified (Factored)2015-09-27curtisc74C60CB9FFDBF26B39465927
History
DateUserTypeResult
2022-12-25RobertKazanF
Factor: 55758534038328437930129 / TF: 75-76*
2015-09-27curtiscC-LL
74C60CB9FFDBF26B
2015-08-09TheJudgerNF-PM1
B1=620000, B2=11935000
2015-07-26TheJudgerNF
no factor from 2^74 to 2^75
2015-07-26TheJudgerNF
no factor from 2^73 to 2^74
2015-07-26TheJudgerNF
no factor from 2^72 to 2^73
2015-02-28srow7NF
no factor from 2^71 to 2^72
2013-11-30RobishNF
no factor from 2^70 to 2^71
2012-10-02Bold_SeekerNF
no factor from 2^69 to 2^70
2010-07-05-Anonymous-NF
no factor from 2^68 to 2^69
2010-07-02John TollyNF
no factor from 2^67 to 2^68
2010-05-28oodairaNF
no factor from 2^66 to 2^67
2010-05-27lindedNF
no factor from 2^65 to 2^66
2010-05-21lindedNF
no factor from 2^64 to 2^65
2008-09-19Wojciech FlorekNF
no factor to 2^64