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
40261619TF
No factors below 274
TF target 272
P-1
B1 = 390000
B2 = 2047500
LL
StatusDateUserResidueShift
Verified2007-12-18C. Cooper / S. BooneCC2A99AFF984BB3438303385
Verified2017-06-29Evgeniy ZavialovCC2A99AFF984BB34148152
History
DateUserTypeResult
2020-01-24-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-06-29Evgeniy ZavialovC-LL
CC2A99AFF984BB34
2015-01-28Sid & AndyNF
no factor from 2^71 to 2^72
2014-12-20NickOfTimeNF
no factor from 2^70 to 2^71
2014-12-20NickOfTimeNF
no factor from 2^69 to 2^70
2013-10-27VictordeHollanderNF
no factor from 2^68 to 2^69