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
39023981TF
No factors below 273
TF target 272
P-1
B1 = 205000
B2 = 3997500
LL
StatusDateUserResidueShift
VerifiedAnatole KaushanskiFFC622BF4A3914A89033077
Verified2009-01-14dapikeFFC622BF4A3914A830564286
History
DateUserTypeResult
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2019-05-03monstNF
no factor from 2^71 to 2^72
2015-03-25NesowaNF
no factor from 2^70 to 2^71
2014-12-09monstNF
no factor from 2^69 to 2^70
2010-01-17Carsten KossendeyNF-PM1
B1=205000, B2=3997500, E=6
2009-01-14dapikeC-LL
FFC622BF4A3914A8