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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MnStatusDetails
40319557TF
No factors below 274
TF target 272
P-1
B1 = 445000
B2 = 11125000
LL
StatusDateUserResidueShift
Verified2007-11-17C. Cooper / S. BooneCC9858B2932AA18D847323
Verified2017-03-01-Anonymous-CC9858B2932AA18D18019989
History
DateUserTypeResult
2019-12-21Sid & AndyNF
no factor from 2^73 to 2^74
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2017-03-01-Anonymous-C-LL
CC9858B2932AA18D
2017-02-27Bruno VictalNF-PM1
B1=445000, B2=11125000, E=12
2015-03-05Gordon SpenceNF
no factor from 2^71 to 2^72
2014-12-20ChuckNF
no factor from 2^70 to 2^71
2014-12-20ChuckNF
no factor from 2^69 to 2^70