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
42015563TF
No factors below 274
TF target 272
P-1
B1 = 380000
B2 = 1900000
LL
StatusDateUserResidueShift
Verified2008-10-05C. Cooper / S. Boone2F760A212CDCC46A33274584
Verified2015-12-28endless_mike2F760A212CDCC46A22591769
History
DateUserTypeResult
2018-09-25LaurVNF
no factor from 2^73 to 2^74
2018-09-25LaurVNF
no factor from 2^72 to 2^73
2015-12-28endless_mikeC-LL
2F760A212CDCC46A
2015-09-12AirSquirrelsNF
no factor from 2^71 to 2^72
2015-02-25David CampeauNF
no factor from 2^70 to 2^71
2015-01-14chalsallNF
no factor from 2^69 to 2^70