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
4391039Factored
FactorDigitsBitsDate
1144326627953767829532166.62018-05-04 10:56:37
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1999-02-14Steve Holt911A39F3DBCF2BA70
Verified (Factored)2001-02-25Luigi Morelli911A39F3DBCF2BA73850369
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-05-14_p95holder_441A899ADB66DE641416736453
Verified2018-05-14Oliver Kruse441A899ADB66DE64184087053
History
DateUserTypeResult
2018-05-14Oliver KruseC-PRP
M4391039/114432662795376782953 : 441A899ADB66DE64
PRP: Verified
PRP without proof (not generated)
2018-05-14_p95holder_C-PRP
M4391039/114432662795376782953 : 441A899ADB66DE64
PRP: Verified
PRP without proof (not generated)
2018-05-04chuenkitF
Factor: 114432662795376782953 / TF: 66-67
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-06-20snme2pm1NF
no factor from 2^65 to 2^66
2014-07-28lycornNF
no factor from 2^64 to 2^65
2014-07-28JayderNF
no factor from 2^63 to 2^64
2012-01-19GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-11-06markrNF
no factor from 2^61 to 2^62
2010-08-30markrNF-PM1
B1=100000, B2=2150000, E=6