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
50371339TF
No factors below 274
TF target 273
P-1
B1 = 580000
B2 = 13485000
LL
StatusDateUserResidueShift
Verified2013-02-13astronomeralex4C1F303E0A47446111739096
Verified2020-01-06ChavdarLalov4C1F303E0A47446138509931
History
DateUserTypeResult
2020-01-06ChavdarLalovC-LL
4C1F303E0A474461
2018-11-30Mark RoseNF
no factor from 2^73 to 2^74
2015-12-06AirSquirrelsNF
no factor from 2^72 to 2^73
2013-02-13astronomeralexC-LL
4C1F303E0A474461
2012-01-27XyzzyNF
no factor from 2^71 to 2^72
2012-01-27XyzzyNF
no factor from 2^70 to 2^71
2011-12-13Kyle AskineNF
no factor from 2^69 to 2^70
2011-05-16ixfd64NF-PM1
B1=580000, B2=13485000