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
43938589TF
No factors below 273
TF target 272
P-1
B1 = 535000
B2 = 16050000
LL
StatusDateUserResidueShift
Verified2011-01-09Bruce A MetcalfF81961224CB9584414093649
Verified2018-01-23Sergey NosovF81961224CB9584419914086
History
DateUserTypeResult
2018-08-09-Anonymous-NF
no factor from 2^72 to 2^73
2018-01-23Sergey NosovC-LL
F81961224CB95844
2015-10-16-Anonymous-NF
no factor from 2^71 to 2^72
2015-09-24VictordeHollanderNF
no factor from 2^70 to 2^71
2015-04-241997rj7NF
no factor from 2^69 to 2^70
2013-01-28Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-01-09Bruce A MetcalfC-LL
F81961224CB95844
2010-07-14Bruce A MetcalfNF-PM1
B1=535000, B2=16050000