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
2204663Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
92595847826.5old
24039682610804711651.12014-06-17 11:50:33
ECM
DigitsB1Curves
2550000280 / 280
30250000162 / 640
Estimated T-Level: 26.3
TF below 2^82 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-09Chang Chia-Tche103DF1CB066031FA2013
Verified2017-10-25Oliver Kruse103DF1CB066031FA2115963813
History
DateUserTypeResult
2021-07-02Dylan DelgadoNF-PM1
B1=2000000, B2=242000000
2021-06-28Dylan DelgadoNF-PM1
B1=1000000, B2=106000000
2017-10-25Oliver KruseC-PRP
M2204663/92595847/2403968261080471 : 103DF1CB066031FA
PRP: Verified
PRP without proof (not generated)
2017-10-09Chang Chia-TcheC-PRP
M2204663/92595847/2403968261080471 : 103DF1CB066031FA
PRP: Verified
PRP without proof (not generated)
2016-04-10alpertronNF-PM1
B1=500000, B2=15000000, E=12
2014-06-17TJAOIF
Factor: 2403968261080471