Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
1462973Factored
FactorDigitsBitsDate
1010766191702142846472166.52009-04-02 11:57:12
ECM
DigitsB1Curves
2550000280 / 280
30250000105 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)phil kennyEF403327EA3D853D0
Verified (Factored)2002-05-05David J. ZookEF403327EA3D853D1108452
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-01Oliver Kruse56648AE43BEB99BF1013
Verified2017-10-27kkmrkkblmbrbk56648AE43BEB99BF134040213
History
DateUserTypeResult
2017-10-27kkmrkkblmbrbkC-PRP
M1462973/101076619170214284647 : 56648AE43BEB99BF
PRP: Verified
PRP without proof (not generated)
2017-10-01Oliver KruseC-PRP
M1462973/101076619170214284647 : 56648AE43BEB99BF
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2009-04-02axnF-ECM
Factor: 101076619170214284647