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
37688227TF
No factors below 276
TF target 271
P-1
B1 = 400000
B2 = 12000000
LL
StatusDateUserResidueShift
Verified2007-04-07C. Cooper / S. BooneC282424AF12842201123720
Verified2016-05-20Ilya GutkovskiyC282424AF128422013988881
History
DateUserTypeResult
2021-01-22-Anonymous-NF
no factor from 2^75 to 2^76
2021-01-19-Anonymous-NF
no factor from 2^74 to 2^75
2020-02-28-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-25-Anonymous-NF
no factor from 2^72 to 2^73
2019-10-25-Anonymous-NF
no factor from 2^71 to 2^72
2016-05-20Ilya GutkovskiyC-LL
C282424AF1284220
2016-03-26HBendtzNF-PM1
B1=400000, B2=12000000, E=12
2014-11-29VictordeHollanderNF
no factor from 2^70 to 2^71
2014-10-18Architects CubedNF
no factor from 2^69 to 2^70
2013-07-27Carsten KossendeyNF
no factor from 2^68 to 2^69
2012-04-14Serge BatalovNF
no factor from 2^67 to 2^68