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
14602481Factored
FactorDigitsBitsDate
744540672265179496460291605903575492137122.52022-02-14 21:27:15
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)2002-02-24Jim Schirle8CC35BE728799D019022670
Bad2005-08-16Scott D. Bardwick29818FBA90E45E6B12204477
Verified (Factored)2006-07-10Shane Sanford8CC35BE728799D0114484291
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-03-29kutens8F1C232074EDE37D1157334953
P-1 factors
DateFactorB1B2
2022-02-1474454067226517949646029160590357549212100000534604980
History
DateUserTypeResult
2023-03-29xyuzyzCERT
PRP Certification
Proof certified good
2023-03-29kutensC-PRP
M14602481/7445406722651794964602916059035754921 : 8F1C232074EDE37D
PRP proof power = 8
PRP: Verified
Proof certified good
2022-02-14firejugglerF-PM1
Factor: 7445406722651794964602916059035754921 / (P-1, B1=2100000, B2=534604980)
2021-12-08-Anonymous-NF
no factor from 2^72 to 2^73
2021-10-15-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-02SRBaseNF
no factor from 2^70 to 2^71
2021-08-18Alex KruppaNF
no factor from 2^69 to 2^70
2018-03-01ramgeisNF
no factor from 2^68 to 2^69
2018-03-01ramgeisNF
no factor from 2^67 to 2^68
2016-03-16Mark RoseNF
no factor from 2^65 to 2^66
2015-09-26NesowaNF
no factor from 2^66 to 2^67