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
39580291TF
No factors below 273
TF target 272
P-1
B1 = 435000
B2 = 6198750
LL
StatusDateUserResidueShift
Verified2009-04-12deep sky7BF273651A5E1FFA28930236
Verified2016-12-22ChavdarLalov7BF273651A5E1FFA27351122
History
DateUserTypeResult
2022-05-17Sid & AndyNF
no factor from 2^72 to 2^73
2019-06-25monstNF
no factor from 2^71 to 2^72
2016-12-22ChavdarLalovC-LL
7BF273651A5E1FFA
2014-12-12NickOfTimeNF
no factor from 2^70 to 2^71
2014-12-08Mark RoseNF
no factor from 2^69 to 2^70
2013-09-27Carsten KossendeyNF
no factor from 2^68 to 2^69
2009-04-12deep skyC-LL
7BF273651A5E1FFA