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
39981703TF
No factors below 274
TF target 272
P-1
B1 = 480000
B2 = 12600000
LL
StatusDateUserResidueShift
Verified2008-04-08shigehiro sasakiB52BFE580DA537298121240
Verified2017-01-29Sergey NosovB52BFE580DA5372923797578
History
DateUserTypeResult
2020-01-31-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2019-02-19monstNF
no factor from 2^71 to 2^72
2017-01-29Sergey NosovC-LL
B52BFE580DA53729
2014-12-18ktonyNF
no factor from 2^70 to 2^71
2014-12-18ktonyNF
no factor from 2^69 to 2^70
2013-10-07Le ComteNF
no factor from 2^68 to 2^69