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
40072493TF
No factors below 274
TF target 272
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Verified2010-10-14Choi4KANGD05312FBCC4C26168804036
Verified2017-02-05Sergey NosovD05312FBCC4C261619473654
History
DateUserTypeResult
2020-05-24Sid & AndyNF-PM1
B1=1000000, B2=20000000, E=12
2020-02-14-Anonymous-NF
no factor from 2^73 to 2^74
2019-09-30-Anonymous-NF
no factor from 2^72 to 2^73
2017-02-05Sergey NosovC-LL
D05312FBCC4C2616
2015-01-01monstNF
no factor from 2^71 to 2^72
2014-12-21XyzzyNF
no factor from 2^70 to 2^71
2014-12-21XyzzyNF
no factor from 2^69 to 2^70
2013-10-27VictordeHollanderNF
no factor from 2^68 to 2^69
2010-10-14Choi4KANGC-LL
D05312FBCC4C2616