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
40598609TF
No factors below 275
TF target 272
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Verified2009-05-26Stephan GruppFD4C04E46A20DF366053203
Verified2017-04-04Sergey NosovFD4C04E46A20DF3635684555
History
DateUserTypeResult
2020-08-30Sid & AndyNF
no factor from 2^74 to 2^75
2020-07-13Sid & AndyNF-PM1
B1=1000000, B2=20000000, E=12
2020-01-17-Anonymous-NF
no factor from 2^73 to 2^74
2019-09-30-Anonymous-NF
no factor from 2^72 to 2^73
2017-04-04Sergey NosovC-LL
FD4C04E46A20DF36
2015-05-15Gordon SpenceNF
no factor from 2^71 to 2^72
2014-12-24NickOfTimeNF
no factor from 2^70 to 2^71
2014-12-24NickOfTimeNF
no factor from 2^69 to 2^70
2013-11-08Carsten KossendeyNF
no factor from 2^68 to 2^69
2009-05-26Stephan GruppC-LL
FD4C04E46A20DF36