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
38991607TF
No factors below 274
TF target 272
P-1
B1 = 205000
B2 = 3997500
LL
StatusDateUserResidueShift
Verified2008-03-05Jonas NimmoDACB78490B4DE41028915710
Verified2016-10-28monstDACB78490B4DE4106916710
History
DateUserTypeResult
2020-02-21-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-18-Anonymous-NF
no factor from 2^72 to 2^73
2019-06-10monstNF
no factor from 2^71 to 2^72
2016-10-28monstC-LL
DACB78490B4DE410
2015-01-17Mark RoseNF
no factor from 2^70 to 2^71
2014-10-07HBendtzNF
no factor from 2^69 to 2^70
2010-05-07Carsten KossendeyNF-PM1
B1=205000, B2=3997500, E=6