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
42012511TF
No factors below 274
TF target 272
P-1
B1 = 1000000
B2 = 25000000
LL
StatusDateUserResidueShift
Verified2008-07-04C. Cooper / S. BooneD3B3BE1C602A3DD322518075
Verified2015-11-28ANONYMOUSD3B3BE1C602A3DD313028668
History
DateUserTypeResult
2019-02-24Dylan DelgadoNF-PM1
B1=1000000, B2=25000000, E=12
2018-09-23LaurVNF
no factor from 2^73 to 2^74
2018-09-23LaurVNF
no factor from 2^72 to 2^73
2015-11-28ANONYMOUSC-LL
D3B3BE1C602A3DD3
2015-09-02AirSquirrelsNF
no factor from 2^71 to 2^72
2015-02-24David CampeauNF
no factor from 2^70 to 2^71
2015-01-14chalsallNF
no factor from 2^69 to 2^70