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
38142817TF
No factors below 273
TF target 271
P-1
B1 = 600000
B2 = 12000000
LL
StatusDateUserResidueShift
Verified2007-09-28Ulf Stegemann4F06218E357B995637965726
Verified2015-09-01fxusers4F06218E357B995621720226
History
DateUserTypeResult
2022-06-29Sid & AndyNF
no factor from 2^72 to 2^73
2018-11-26Architects CubedNF
no factor from 2^71 to 2^72
2015-09-01fxusersC-LL
4F06218E357B9956
2014-12-01BdotNF
no factor from 2^70 to 2^71
2014-10-21HBendtzNF
no factor from 2^69 to 2^70
2014-06-21HBendtzNF-PM1
B1=600000, B2=12000000, E=12