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
40348447TF
No factors below 275
TF target 272
P-1
B1 = 1000000
B2 = 25000000
LL
StatusDateUserResidueShift
Verified2007-12-03Ahmer Ali7AE70C43FECA37851057280
Verified2017-07-26Derek7AE70C43FECA378514803458
Verified2018-04-20Der Fred7AE70C43FECA37853257585
History
DateUserTypeResult
2020-10-11Sid & AndyNF
no factor from 2^74 to 2^75
2020-01-02-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2019-02-18Dylan DelgadoNF-PM1
B1=1000000, B2=25000000, E=12
2018-04-20Der FredC-LL
7AE70C43FECA3785
2017-07-26DerekC-LL
7AE70C43FECA3785
2015-03-17blipNF
no factor from 2^71 to 2^72
2014-12-21NickOfTimeNF
no factor from 2^70 to 2^71
2014-12-21NickOfTimeNF
no factor from 2^69 to 2^70