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
38691407TF
No factors below 274
TF target 272
P-1
B1 = 440000
B2 = 7480000
LL
StatusDateUserResidueShift
Verified2008-01-15Constantin Rack0E7D26230E640B182546992
Verified2016-10-27Sergey Nosov0E7D26230E640B1820706180
History
DateUserTypeResult
2020-01-31-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-18-Anonymous-NF
no factor from 2^72 to 2^73
2019-05-07monstNF
no factor from 2^71 to 2^72
2016-10-27Sergey NosovC-LL
0E7D26230E640B18
2014-12-10Jerry HallettNF
no factor from 2^70 to 2^71
2014-11-26Mark RoseNF
no factor from 2^69 to 2^70
2013-08-18krackerNF
no factor from 2^68 to 2^69