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
40405877TF
No factors below 273
TF target 272
P-1
B1 = 445000
B2 = 11125000
LL
StatusDateUserResidueShift
Verified2007-12-03Steven Carrico4F2C90152A04AEF114580270
Verified2017-03-08kdupke4F2C90152A04AEF120082035
History
DateUserTypeResult
2022-04-11Sid & AndyNF
no factor from 2^72 to 2^73
2017-03-08kdupkeC-LL
4F2C90152A04AEF1
2017-02-28Bruno VictalNF-PM1
B1=445000, B2=11125000, E=12
2015-03-26Gordon SpenceNF
no factor from 2^71 to 2^72
2014-12-22The MawnNF
no factor from 2^70 to 2^71
2014-12-22The MawnNF
no factor from 2^69 to 2^70