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

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MnStatusDetails
52761881Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5159789659754859006892168.82015-01-22 11:53:02
LL
StatusDateUserResidueShift
Verified (Factored)2013-05-27curtiscA9A9156E65C3C71235968769
History
DateUserTypeResult
2015-01-22Mark RoseF
Factor: 515978965975485900689 / TF: 68-69*
2013-05-27curtiscC-LL
A9A9156E65C3C712
2012-03-13hustensaftNF-PM1
B1=520000, B2=10790000, E=6
2012-02-22James HeinrichNF
no factor from 2^70 to 2^72
2011-12-08Kyle AskineNF
no factor from 2^69 to 2^70
2010-03-28sannerud.comNF
no factor from 2^68 to 2^69
2009-06-28curtiscNF
no factor from 2^67 to 2^68
2009-02-15arnaudNF
no factor from 2^66 to 2^67
2009-02-14arnaudNF
no factor from 2^65 to 2^66
2009-02-13arnaudNF
no factor from 2^64 to 2^65
2008-11-17DerekNF
no factor to 2^64