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
41887273TF
No factors below 274
TF target 272
P-1
B1 = 1000000
B2 = 28000000
LL
StatusDateUserResidueShift
Verified2008-06-03Sam LaurC5D6E758ADE6097712033137
Verified2017-08-26Sergey NosovC5D6E758ADE609777268301
History
DateUserTypeResult
2021-11-07riccardo ubertiNF-PM1
B1=1000000, B2=28000000
2020-01-04-Anonymous-NF
no factor from 2^73 to 2^74
2019-08-05Sid & AndyNF
no factor from 2^72 to 2^73
2017-08-26Sergey NosovC-LL
C5D6E758ADE60977
2015-01-23fre_gamesNF
no factor from 2^71 to 2^72
2015-01-23fre_gamesNF
no factor from 2^70 to 2^71
2015-01-23fre_gamesNF
no factor from 2^69 to 2^70
2013-12-10Carsten KossendeyNF
no factor from 2^68 to 2^69