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
39125609TF
No factors below 273
TF target 272
P-1
B1 = 205000
B2 = 3997500
LL
StatusDateUserResidueShift
Verified2008-02-03Ahmer Ali781FE7B4AEB779C930500389
Verified2009-03-03556guy781FE7B4AEB779C915821063
History
DateUserTypeResult
2022-06-03Sid & AndyNF
no factor from 2^72 to 2^73
2019-07-17monstNF
no factor from 2^71 to 2^72
2015-03-26NesowaNF
no factor from 2^70 to 2^71
2014-12-10monstNF
no factor from 2^69 to 2^70
2010-01-26Carsten KossendeyNF-PM1
B1=205000, B2=3997500, E=6
2009-03-03556guyC-LL
781FE7B4AEB779C9