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
40076999TF
No factors below 274
TF target 272
P-1
B1 = 395000
B2 = 1975000
LL
StatusDateUserResidueShift
Verified2008-09-16Chris KeenEF6495DF80DC54D722059165
Verified2017-05-17Dmitriy DegtiarevEF6495DF80DC54D735470737
History
DateUserTypeResult
2020-02-21-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-06-Anonymous-NF
no factor from 2^72 to 2^73
2017-05-17Dmitriy DegtiarevC-LL
EF6495DF80DC54D7
2014-12-29ChuckNF
no factor from 2^71 to 2^72
2014-12-21XyzzyNF
no factor from 2^70 to 2^71
2014-12-21XyzzyNF
no factor from 2^69 to 2^70
2013-10-21Carsten KossendeyNF
no factor from 2^68 to 2^69