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
14479867Factored
FactorDigitsBitsDate
2450460088053086885986930927476445834348141134.22023-01-30 12:06:15
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
Bad2002-02-10Stephen Orzel1589C82092CA53AD11526660
Verified (Factored)2003-01-25Alexander Kostov Atanasov68FA593CB66094179235575
Verified (Factored)2005-09-22Ing. Pavel PaJaSoft Janousek68FA593CB660941710988169
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-02-01DobriAE13C772E3AE4E3011174707653
P-1 factors
DateFactorB1B2
2023-01-302450460088053086885986930927476445834348116000001620978450
History
DateUserTypeResult
2023-02-01hordkhenCERT
PRP Certification
Proof certified good
2023-02-01DobriC-PRP
M14479867/24504600880530868859869309274764458343481 : AE13C772E3AE4E30
PRP proof power = 8
PRP: Verified
Proof certified good
2023-01-30nordiF-PM1
Factor: 24504600880530868859869309274764458343481 / (P-1, B1=1600000, B2=1620978450)
2023-01-01nordiNF-PM1
B1=1600000
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
2021-08-09SRBaseNF
no factor from 2^69 to 2^70
2018-03-14ramgeisNF
no factor from 2^68 to 2^69
2018-03-14ramgeisNF
no factor from 2^67 to 2^68
2015-10-16NesowaNF
no factor from 2^66 to 2^67
2014-08-19NesowaNF
no factor from 2^65 to 2^66