Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
40317841TF
No factors below 274
TF target 272
P-1
B1 = 445000
B2 = 11125000
LL
StatusDateUserResidueShift
Verified2008-08-07Thomas R. Stephenson6DAD905ECB4FA2238428907
Verified2017-03-03Tom Womack6DAD905ECB4FA22317978848
History
DateUserTypeResult
2019-12-21Sid & AndyNF
no factor from 2^73 to 2^74
2019-10-06-Anonymous-NF
no factor from 2^72 to 2^73
2017-03-03Tom WomackC-LL
6DAD905ECB4FA223
2017-02-26Bruno VictalNF-PM1
B1=445000, B2=11125000, E=12
2015-03-03Gordon SpenceNF
no factor from 2^71 to 2^72
2014-12-23Sid & AndyNF
no factor from 2^70 to 2^71
2014-12-22Andrew BNF
no factor from 2^69 to 2^70