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
40506449TF
No factors below 274
TF target 272
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Verified2007-12-03C. Cooper / S. Boone6CB1BC08766011F021916887
Verified2017-04-09Sergey Nosov6CB1BC08766011F04987293
History
DateUserTypeResult
2020-07-21Sid & AndyNF-PM1
B1=1000000, B2=20000000, E=12
2020-01-31-Anonymous-NF
no factor from 2^73 to 2^74
2019-09-30-Anonymous-NF
no factor from 2^72 to 2^73
2017-04-09Sergey NosovC-LL
6CB1BC08766011F0
2015-04-15tigreroarsNF
no factor from 2^71 to 2^72
2014-12-24NickOfTimeNF
no factor from 2^70 to 2^71
2014-11-22mikrNF
no factor from 2^69 to 2^70
2012-11-08Carsten KossendeyNF
no factor from 2^68 to 2^69