Marin Mersenne 2^P-1
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MnStatusDetails
51890519Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4228353478050025996312168.52015-01-21 20:54:02
LL
StatusDateUserResidueShift
Verified (Factored)2012-02-17curtisc7BC502EAFAFC99C88817906
History
DateUserTypeResult
2022-04-05LordJuliusNF
no factor from 2^60 to 2^63
2015-01-21Mark RoseF
Factor: 422835347805002599631 / TF: 68-69*
2012-02-17curtiscC-LL
7BC502EAFAFC99C8
2012-01-01Sid & AndyNF-PM1
B1=500000, B2=9000000
2011-11-28megavinkNF
no factor from 2^71 to 2^72
2011-11-27megavinkNF
no factor from 2^70 to 2^71
2011-11-09Ethan O'ConnorNF
no factor from 2^69 to 2^70
2010-03-20sannerud.comNF
no factor from 2^68 to 2^69
2009-04-19PiepenNF
no factor from 2^67 to 2^68
2009-02-05ctenzerNF
no factor from 2^66 to 2^67
2009-02-03ctenzerNF
no factor from 2^65 to 2^66
2009-02-02ctenzerNF
no factor from 2^64 to 2^65
2009-01-31JJMBNF
no factor from 2^63 to 2^64