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
40441189TF
No factors below 273
TF target 272
P-1
B1 = 445000
B2 = 11125000
LL
StatusDateUserResidueShift
Verified2008-03-30Stephan GruppC3BB667C98E4293E3835486
Verified2017-07-23George WoltmanC3BB667C98E4293E23435200
History
DateUserTypeResult
2022-04-12Sid & AndyNF
no factor from 2^72 to 2^73
2017-07-23George WoltmanC-LL
C3BB667C98E4293E
2017-03-01Bruno VictalNF-PM1
B1=445000, B2=11125000, E=12
2015-03-26Gordon SpenceNF
no factor from 2^71 to 2^72
2015-01-03chalsallNF
no factor from 2^70 to 2^71
2015-01-02Mark RoseNF
no factor from 2^69 to 2^70