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
14118683Factored
FactorDigitsBitsDate
75411510666913792181832272.72021-09-16 04:17:56
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)2002-09-14Peter Marron81C4E43CE6BA23D03472208
Bad2005-05-12Thorsten Kasel649E19A31825E0DC9019675
Verified (Factored)2006-04-14Shane Sanford81C4E43CE6BA23D09799696
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-12-27ATHB150062E161252131872589853
History
DateUserTypeResult
2022-12-27Ben DeloCERT
PRP Certification
Proof certified good
2022-12-27ATHC-PRP
M14118683/7541151066691379218183 : B150062E16125213
PRP proof power = 8
PRP: Verified
Proof certified good
2022-11-07nordiNF-PM1
B1=300000, B2=211434300
2021-09-16Smok_bmv F
Factor: 7541151066691379218183 / TF: 72-73*
2021-09-16Smok_bmv NF
no factor from 2^71 to 2^72
2021-09-02SRBaseNF
no factor from 2^70 to 2^71
2021-08-08SRBaseNF
no factor from 2^69 to 2^70
2017-10-13ramgeisNF
no factor from 2^68 to 2^69
2017-02-09mikrNF
no factor from 2^67 to 2^68
2016-03-16Mark RoseNF
no factor from 2^65 to 2^66
2015-08-24ThaNF
no factor from 2^66 to 2^67