Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
63553979TF
No factors below 275
TF target 274
P-1
B1 = 565000
B2 = 10876250
LL
StatusDateUserResidueShift
Verified2014-01-31curtisc1CBD5530C173A6FF10428007
Verified2023-01-20Sergey Nosov1CBD5530C173A6FF54237638
History
DateUserTypeResult
2023-01-20Sergey NosovC-LL
1CBD5530C173A6FF
2021-11-11techn1ciaNNF
no factor from 2^74 to 2^75
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2014-01-31curtiscC-LL
1CBD5530C173A6FF
2013-10-16BdotNF-PM1
B1=565000, B2=10876250
2013-09-22TheJudgerNF
no factor from 2^73 to 2^74
2013-06-12TheJudgerNF
no factor from 2^72 to 2^73
2013-06-12TheJudgerNF
no factor from 2^71 to 2^72
2012-08-22omarfinkNF
no factor from 2^70 to 2^71
2012-01-01ITSNF
no factor from 2^69 to 2^70
2010-01-13DanielHNF
no factor from 2^68 to 2^69
2010-01-11DanielHNF
no factor from 2^67 to 2^68
2010-01-09DanielHNF
no factor from 2^66 to 2^67
2009-11-07Sturle SundeNF
no factor from 2^65 to 2^66
2009-11-07j_c_schwartzNF
no factor from 2^64 to 2^65
2009-02-25Wojciech FlorekNF
no factor from 2^63 to 2^64