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
42226763TF
No factors below 273
TF target 272
P-1
B1 = 380000
B2 = 1900000
LL
StatusDateUserResidueShift
Verified2008-07-04Ahmer AliF3FB53DA71E4BD2B7327461
Verified2016-02-20William EichinF3FB53DA71E4BD2B33969012
History
DateUserTypeResult
2022-04-21RichD0NF
no factor from 2^72 to 2^73
2016-02-20William EichinC-LL
F3FB53DA71E4BD2B
2015-09-01AirSquirrelsNF
no factor from 2^71 to 2^72
2015-03-19David CampeauNF
no factor from 2^70 to 2^71
2015-01-20Mark RoseNF
no factor from 2^69 to 2^70