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

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MnStatusDetails
2703139Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
4252848588711238.6old
462541793151020091755.42015-01-20 12:49:27
ECM
DigitsB1Curves
255000073 / 280
Estimated T-Level: 21.3
TF below 2^66 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-19Oliver Kruse0D73B0AEB2D79C8B267040253
Verified2017-12-04kkmrkkblmbrbk0D73B0AEB2D79C8B2178497353
History
DateUserTypeResult
2022-09-12USAFSSNF-PM1
B1=272000, B2=237324780
2017-12-04kkmrkkblmbrbkC-PRP
M2703139/425284858871/46254179315102009 : 0D73B0AEB2D79C8B
PRP: Verified
PRP without proof (not generated)
2017-10-19Oliver KruseC-PRP
M2703139/425284858871/46254179315102009 : 0D73B0AEB2D79C8B
PRP: Verified
PRP without proof (not generated)
2015-01-20TJAOIF
Factor: 46254179315102009 / TF: 55-56