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

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MnStatusDetails
2692747Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
72865733831032.8old
103009792058901431753.22014-09-10 11:21:18
ECM
DigitsB1Curves
255000058 / 280
Estimated T-Level: 21.0
TF below 2^65 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-15Yaroslav BerezhkoB6EBC3B45349AF862013
Verified2017-11-15Oliver KruseB6EBC3B45349AF86215482613
History
DateUserTypeResult
2019-07-04alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-11-15Oliver KruseC-PRP
M2692747/7286573383/10300979205890143 : B6EBC3B45349AF86
PRP: Verified
PRP without proof (not generated)
2017-10-15Yaroslav BerezhkoC-PRP
M2692747/7286573383/10300979205890143 : B6EBC3B45349AF86
PRP: Verified
PRP without proof (not generated)
2014-09-10TJAOIF
Factor: 10300979205890143 / TF: 53-54