Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
5592449TF
No factors below 272
TF target 266
P-1
B1 = 7000000
B2 = 5819808390
ECM
DigitsB1Curves
255000013 / 280
Estimated T-Level: 20.2 ⓘ
LL
StatusDateUserResidueShift
VerifiedMartin Fahlgren1C1D625CDDED8A030
Verified2001-01-08Gerhard H Wrodnigg1C1D625CDDED8A03860896
History
DateUserTypeResult
2022-08-13Sid & AndyNF-PM1
B1=7000000, B2=5819808390
2021-09-19SRBaseNF
no factor from 2^71 to 2^72
2016-02-23Mark RoseNF
no factor from 2^1 to 2^62
2013-05-21Squeeky_SquirrelNF-PM1
B1=175000, B2=3937500, E=6
2012-12-01dbaughNF
no factor from 2^70 to 2^71
2012-09-26dbaughNF
no factor from 2^69 to 2^70
2012-08-09dbaughNF
no factor from 2^68 to 2^69
2012-08-02dbaughNF
no factor from 2^67 to 2^68
2012-07-24dbaughNF
no factor from 2^66 to 2^67
2012-07-18dbaughNF
no factor from 2^65 to 2^66
2012-07-16dbaughNF
no factor from 2^64 to 2^65
2012-07-15dbaughNF
no factor from 2^63 to 2^64
2011-01-05USAFSSNF-PM1
B1=65000, B2=1023750, E=6
2009-06-06Carsten KossendeyNF-PM1
B1=30000, B2=390000
2009-02-10GrunwalderGIMPNF
no factor from 2^62 to 2^63