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
40135547TF
No factors below 276
TF target 272
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Verified2007-11-17Leon Matthews3B8CBE244DB6ACC621244111
Verified2016-02-02basey3B8CBE244DB6ACC639281819
History
DateUserTypeResult
2021-03-12-Anonymous-NF
no factor from 2^75 to 2^76
2021-03-08-Anonymous-NF
no factor from 2^74 to 2^75
2020-12-14Sid & AndyNF-PM1
B1=1000000, B2=20000000, E=12
2020-02-14-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2016-02-02baseyC-LL
3B8CBE244DB6ACC6
2015-01-15The MawnNF
no factor from 2^71 to 2^72
2014-12-28XyzzyNF
no factor from 2^70 to 2^71
2014-12-28XyzzyNF
no factor from 2^69 to 2^70