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
14007157Factored
FactorDigitsBitsDate
543226121704983119597126820712995.52020-07-29 03:54:14
ECM
DigitsB1Curves
255000012 / 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)Frank Hornung6B271A90FF72B7DA433127
Verified (Factored)2005-04-02Joseph W. Depenbusch6B271A90FF72B7DA3672826
Verified (Factored)2006-03-14S4428136B271A90FF72B7DA3672826
Verified (Factored)2006-03-14Jimi Hendrix6B271A90FF72B7DA3672826
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-12-07kracker30D46395A79B8ABD11372498653
P-1 factors
DateFactorB1B2
2020-07-29543226121704983119597126820716000000160000000
History
DateUserTypeResult
2022-12-07Nemosoft Unv.CERT
PRP Certification
Proof certified good
2022-12-07krackerC-PRP
M14007157/54322612170498311959712682071 : 30D46395A79B8ABD
PRP proof power = 8
PRP: Verified
Proof certified good
2020-07-29masserF-PM1
Factor: 54322612170498311959712682071 / (P-1, B1=6000000, B2=160000000, E=12)
2020-04-27masserNF
no factor from 2^70 to 2^71
2018-09-10mikrNF
no factor from 2^69 to 2^70
2018-02-05ramgeisNF
no factor from 2^68 to 2^69
2018-02-05ramgeisNF
no factor from 2^67 to 2^68
2015-08-18ThaNF
no factor from 2^66 to 2^67
2014-07-22NesowaNF
no factor from 2^65 to 2^66