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
50091347TF
No factors below 274
TF target 273
P-1
B1 = 580000
B2 = 15080000
LL
StatusDateUserResidueShift
Verified2012-10-17curtiscF0B1A3B1B74D23E244638557
Verified2019-11-01Sergey NosovF0B1A3B1B74D23E229102223
History
DateUserTypeResult
2019-11-01Sergey NosovC-LL
F0B1A3B1B74D23E2
2018-04-16Oliver KruseNF
no factor from 2^73 to 2^74
2016-01-19AirSquirrelsNF
no factor from 2^72 to 2^73
2012-10-17curtiscC-LL
F0B1A3B1B74D23E2
2012-01-08Tom DuellNF
no factor from 2^71 to 2^72
2012-01-08Tom DuellNF
no factor from 2^70 to 2^71
2011-11-18laleraNF
no factor from 2^69 to 2^70
2011-09-12BdotNF-PM1
B1=580000, B2=15080000, E=12
2008-07-10George WoltmanNF
no factor to 2^64