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

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MnStatusDetails
2482499Factored
FactorDigitsBitsDate
7536823828005160821503959032789.32014-11-05 06:56:52
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)Dylan Jones154E916710AA5B7C0
Verified (Factored)1999-11-10MFS Software154E916710AA5B7C1118612
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-14Oliver Kruse6A416933C415B5F0185623053
Verified2017-11-29ATH6A416933C415B5F01116615653
P-1 factors
DateFactorB1B2
2014-11-05753682382800516082150395903238250085770100
History
DateUserTypeResult
2022-03-10LordJuliusNF
no factor from 2^1 to 2^60
2017-11-29ATHC-PRP
M2482499/753682382800516082150395903 : 6A416933C415B5F0
PRP: Verified
PRP without proof (not generated)
2017-10-14Oliver KruseC-PRP
M2482499/753682382800516082150395903 : 6A416933C415B5F0
PRP: Verified
PRP without proof (not generated)
2014-11-05mikrF-PM1
Factor: 753682382800516082150395903 / (P-1, B1=2382500, B2=85770100, E=12)
2014-09-02JossNF-PM1
B1=120855
2013-08-21David CampeauNF
no factor from 2^62 to 2^63
2012-06-10Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-01-21Oscar ÖstlinNF-PM1
B1=95000, B2=1947500, E=6
2010-11-20JossNF-PM1
B1=20000
2009-01-14Sturle SundeNF
no factor from 2^60 to 2^61