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
5323Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
23729508171031.1old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000009514 / 16550
Estimated T-Level: 47.9
TF below 2^154 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse9638173F76CD50361013
Verified2017-10-12kkmrkkblmbrbk9638173F76CD50361231013
Verified2020-04-17Oliver KruseC6FD0A466A31ADC91128153
Verified2024-02-03Wentao HuangC6FD0A466A31ADC914953
History
DateUserTypeResult
2024-02-04mikrNF-PM1
B1=500000000000, B2=1311295166917335600
2024-02-03Wentao HuangC-PRP
M5323/2372950817 : C6FD0A466A31ADC9
PRP: Verified
PRP without proof (small exponent)
2023-07-03-Anonymous-NF-PM1
B1=59000000000, B2=241667483419362000
2022-01-24Ethan O'ConnorNF-PM1
B1=1300000000
2021-12-16Oliver KruseNF-PM1
B1=1000000000, B2=1002849399191640
2020-04-17Oliver KruseC-PRP
M5323/2372950817 : C6FD0A466A31ADC9
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M5323/2372950817 : 9638173F76CD5036
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M5323/2372950817 : 9638173F76CD5036
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M5323/2372950817 : 9638173F76CD5036
PRP without proof (not generated)