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
14207059Factored
FactorDigitsBitsDate
512226815777500848492217414990331102.02022-03-31 13:44:23
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^61 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2002-01-15Aaron B93D1E9B34FB0DDE712601602
Verified (Factored)2005-07-01Colin Archibald93D1E9B34FB0DDE72865750
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-08-28Naegi Makoto00824C1EBACCFF7711100677453
P-1 factors
DateFactorB1B2
2022-03-315122268157775008484922174149903766000325888290
History
DateUserTypeResult
2022-08-29curtiscCERT
PRP Certification
Proof certified good
2022-08-28Naegi MakotoC-PRP
M14207059/5122268157775008484922174149903 : 00824C1EBACCFF77
PRP proof power = 8
PRP: Verified
Proof certified good
2022-03-31DRobinsonPEF-PM1
Factor: 5122268157775008484922174149903 / (P-1, B1=766000, B2=325888290)
2022-03-31nullcureNF
no factor from 2^72 to 2^73
2021-10-15-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-01SRBaseNF
no factor from 2^70 to 2^71
2021-08-08SRBaseNF
no factor from 2^69 to 2^70
2018-02-12ramgeisNF
no factor from 2^68 to 2^69
2018-02-12ramgeisNF
no factor from 2^67 to 2^68
2017-08-20ThaNF-PM1
B1=300000, B2=6000000, E=6
2015-08-28ThaNF
no factor from 2^66 to 2^67
2014-08-01NesowaNF
no factor from 2^65 to 2^66