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
40417919TF
No factors below 273
TF target 272
P-1
B1 = 445000
B2 = 11125000
LL
StatusDateUserResidueShift
Verified2007-12-03Graham West378426D56762681530113972
Verified2016-10-16ANONYMOUS378426D56762681510224879
History
DateUserTypeResult
2022-04-11Sid & AndyNF
no factor from 2^72 to 2^73
2017-02-28Bruno VictalNF-PM1
B1=445000, B2=11125000, E=12
2016-10-16ANONYMOUSC-LL
378426D567626815
2015-03-24blipNF
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