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
38372881TF
No factors below 273
TF target 272
P-1
B1 = 335000
B2 = 1675000
LL
StatusDateUserResidueShift
Verified2009-05-29-Anonymous-F8871C3DAF129E4225487363
Verified2015-05-06David.C-BF8871C3DAF129E4217856365
History
DateUserTypeResult
2019-05-29Sid & AndyNF
no factor from 2^72 to 2^73
2019-02-16monstNF
no factor from 2^71 to 2^72
2015-05-06David.C-BC-LL
F8871C3DAF129E42
2014-12-06Jerry HallettNF
no factor from 2^70 to 2^71
2014-11-22Mark RoseNF
no factor from 2^69 to 2^70
2009-05-29-Anonymous-C-LL
F8871C3DAF129E42
2008-11-10-Anonymous-NF-PM1
B1=335000, B2=1675000
2008-11-05-Anonymous-NF
no factor to 2^69