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
38835481TF
No factors below 275
TF target 272
P-1
B1 = 600000
B2 = 12000000
LL
StatusDateUserResidueShift
Verified2007-11-17Ahmer Ali1241A8048C1855CC27265652
Verified2016-09-07Sergey Nosov1241A8048C1855CC34713920
History
DateUserTypeResult
2021-02-20-Anonymous-NF
no factor from 2^74 to 2^75
2020-02-14-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-11LaurVNF
no factor from 2^72 to 2^73
2019-05-03monstNF
no factor from 2^71 to 2^72
2016-09-07Sergey NosovC-LL
1241A8048C1855CC
2014-12-06NickOfTimeNF
no factor from 2^70 to 2^71
2014-12-01Mark RoseNF
no factor from 2^69 to 2^70
2014-08-16HBendtzNF-PM1
B1=600000, B2=12000000, e=12