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
5167Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
6531089722.6old
131696497927.0old
118716982038850731753.4old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000010482 / 16550
Estimated T-Level: 48.2
TF below 2^155 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse1E34203BBC18DEEA3013
Verified2017-10-12kkmrkkblmbrbk1E34203BBC18DEEA3487613
Verified2020-04-17Oliver Kruse6F96D2C3942F3EE032153
Verified2024-02-03Wentao Huang6F96D2C3942F3EE0316753
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M5167/6531089/131696497/11871698203885073 : 6F96D2C3942F3EE0
PRP: Verified
PRP without proof (small exponent)
2023-06-14-Anonymous-NF-PM1
B1=61000000000, B2=253675805559976800
2020-04-17Oliver KruseC-PRP
M5167/6531089/131696497/11871698203885073 : 6F96D2C3942F3EE0
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M5167/6531089/131696497/11871698203885073 : 1E34203BBC18DEEA
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M5167/6531089/131696497/11871698203885073 : 1E34203BBC18DEEA
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M5167/6531089/131696497/11871698203885073 : 1E34203BBC18DEEA
PRP without proof (not generated)