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

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MnStatusDetails
63981347TF
No factors below 275
TF target 274
P-1
B1 = 575000
B2 = 11356250
LL
StatusDateUserResidueShift
Verified2014-11-09mhsk4BDD2C1567FCAA0558989685
Verified2022-01-30Jack The Ripper4BDD2C1567FCAA0520218704
History
DateUserTypeResult
2022-01-30Jack The RipperC-LL
4BDD2C1567FCAA05
2021-04-05Richard ThomasNF
no factor from 2^74 to 2^75
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2014-11-09mhskC-LL
4BDD2C1567FCAA05
2013-10-28NesowaNF-PM1
B1=575000, B2=11356250, E=6
2013-10-20TheJudgerNF
no factor from 2^73 to 2^74
2013-09-16BdotNF
no factor from 2^72 to 2^73
2013-08-17PhantomasNF
no factor from 2^71 to 2^72
2012-11-07Clown_RoyalNF
no factor from 2^70 to 2^71
2012-01-08Zet_korNF
no factor from 2^69 to 2^70
2010-06-14John TollyNF
no factor from 2^68 to 2^69
2010-05-01SAHS Physics ClubNF
no factor from 2^67 to 2^68
2009-03-18arnaudNF
no factor from 2^66 to 2^67
2009-03-13Scott KurowskiNF
no factor from 2^65 to 2^66
2009-03-04sannerud.comNF
no factor from 2^64 to 2^65
2009-02-18Wojciech FlorekNF
no factor from 2^63 to 2^64