Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
5669Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
1223988687911236.8old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000004911 / 16550
Estimated T-Level: 46.5
TF below 2^149 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseF44BE04CACCA12C91013
Verified2017-10-12kkmrkkblmbrbkF44BE04CACCA12C91400913
Verified2020-04-17Oliver Kruse7E7C05E4CA56859B1280253
Verified2024-02-03Wentao Huang7E7C05E4CA56859B1174553
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M5669/122398868791 : 7E7C05E4CA56859B
PRP: Verified
PRP without proof (small exponent)
2023-07-17-Anonymous-NF-PM1
B1=44000000000, B2=181125525847266000
2022-01-24Ethan O'ConnorNF-PM1
B1=1300000000
2021-12-17Oliver KruseNF-PM1
B1=1000000000, B2=1006836580309560
2021-12-14Lisander ViaeneNF-PM1
B1=1000000, B2=58190952529710
2020-04-17Oliver KruseC-PRP
M5669/122398868791 : 7E7C05E4CA56859B
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M5669/122398868791 : F44BE04CACCA12C9
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M5669/122398868791 : F44BE04CACCA12C9
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M5669/122398868791 : F44BE04CACCA12C9
PRP without proof (not generated)