Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
2484721Factored
FactorDigitsBitsDate
8102249641295138036711046792789.42014-11-10 17:52:26
ECM
DigitsB1Curves
255000067 / 280
Estimated T-Level: 21.2
TF below 2^65 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Jon ShickelDCF83121CA91846C0
Verified (Factored)2000-01-12David CampeauDCF83121CA91846C2455849
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-14Oliver KruseBB9CDACD225DA1E017818553
Verified2017-11-30kkmrkkblmbrbkBB9CDACD225DA1E01140303953
P-1 factors
DateFactorB1B2
2014-11-10810224964129513803671104679238250085770100
History
DateUserTypeResult
2022-03-10LordJuliusNF
no factor from 2^1 to 2^60
2017-11-30kkmrkkblmbrbkC-PRP
M2484721/810224964129513803671104679 : BB9CDACD225DA1E0
PRP: Verified
PRP without proof (not generated)
2017-10-14Oliver KruseC-PRP
M2484721/810224964129513803671104679 : BB9CDACD225DA1E0
PRP: Verified
PRP without proof (not generated)
2014-11-10mikrF-PM1
Factor: 810224964129513803671104679 / (P-1, B1=2382500, B2=85770100, E=12)
2014-09-03JossNF-PM1
B1=120832
2013-12-04Jerry HallettNF
no factor from 2^62 to 2^63
2012-06-09Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-01-21Oscar ÖstlinNF-PM1
B1=95000, B2=1947500, E=6
2010-12-22JossNF-PM1
B1=20000
2009-01-14Sturle SundeNF
no factor from 2^60 to 2^61