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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
63720421TF
No factors below 275
TF target 274
P-1
B1 = 570000
B2 = 10972500
LL
StatusDateUserResidueShift
Verified2014-10-07curtiscC404635F4272806B54909942
Verified2023-02-12Sergey NosovC404635F4272806B13859988
History
DateUserTypeResult
2023-02-12Sergey NosovC-LL
C404635F4272806B
2019-10-26ChuckNF
no factor from 2^74 to 2^75
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2014-10-07curtiscC-LL
C404635F4272806B
2013-11-17Sid & AndyNF-PM1
B1=570000, B2=10972500, E=6
2013-09-29TheJudgerNF
no factor from 2^73 to 2^74
2013-07-31TheJudgerNF
no factor from 2^72 to 2^73
2013-07-31TheJudgerNF
no factor from 2^71 to 2^72
2012-09-12krackerNF
no factor from 2^70 to 2^71
2012-09-12krackerNF
no factor from 2^69 to 2^70
2009-08-26S00030NF
no factor from 2^68 to 2^69
2009-03-11ctenzerNF
no factor from 2^67 to 2^68
2009-03-07Sturle SundeNF
no factor from 2^66 to 2^67
2009-03-06JShaftNF
no factor from 2^65 to 2^66
2009-03-05Wojciech FlorekNF
no factor from 2^64 to 2^65
2009-02-26Wojciech FlorekNF
no factor from 2^63 to 2^64