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
41781479TF
No factors below 275
TF target 272
P-1
B1 = 375000
B2 = 1875000
LL
StatusDateUserResidueShift
Verified2009-10-03ahmeraliF2A04EB30F7C44785799576
Verified2017-11-06S485122F2A04EB30F7C447840193635
History
DateUserTypeResult
2021-02-07-Anonymous-NF
no factor from 2^74 to 2^75
2020-01-01-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2017-11-06S485122C-LL
F2A04EB30F7C4478
2015-08-23AirSquirrelsNF
no factor from 2^71 to 2^72
2015-01-20srow7NF
no factor from 2^70 to 2^71
2015-01-08Andrew BNF
no factor from 2^69 to 2^70
2009-10-03ahmeraliC-LL
F2A04EB30F7C4478
2009-08-12ahmeraliNF-PM1
B1=375000, B2=1875000