Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
14079409Factored
FactorDigitsBitsDate
446150245748800649957592375.22020-07-02 02:21:39
ECM
DigitsB1Curves
255000013 / 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)2002-03-24Mike Robison35330DF7B624AD2111006734
Verified (Factored)2005-04-11Jack Whitmire35330DF7B624AD2112721634
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-12-21ATHB110F6DFDE600B6F1306393953
P-1 factors
DateFactorB1B2
2020-07-02446150245748800649957597000000210000000
History
DateUserTypeResult
2022-12-21paulrectorCERT
PRP Certification
Proof certified good
2022-12-21ATHC-PRP
M14079409/44615024574880064995759 : B110F6DFDE600B6F
PRP proof power = 8
PRP: Verified
Proof certified good
2020-07-02masserF-PM1
Factor: 44615024574880064995759 / (P-1, B1=7000000, B2=210000000, E=12)
2020-06-20masserNF
no factor from 2^70 to 2^71
2020-06-20masserNF
no factor from 2^69 to 2^70
2018-01-24ramgeisNF
no factor from 2^68 to 2^69
2018-01-24ramgeisNF
no factor from 2^67 to 2^68
2015-08-23ThaNF
no factor from 2^66 to 2^67
2014-07-22NesowaNF
no factor from 2^65 to 2^66