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
8693Factored
FactorDigitsBitsDate
260791618.0old
3585406789343555980732168.3old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000002402 / 16550
Estimated T-Level: 45.7
TF below 2^147 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseC420958D74DFDDAB2013
Verified2017-10-12kkmrkkblmbrbkC420958D74DFDDAB2346213
Unverified2020-04-17Oliver Kruse5B97FB254CB400__2841153
History
DateUserTypeResult
2023-08-10JacobZNF-PM1
B1=67000000000, B2=265422648792401100
2021-12-16Lisander ViaeneNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M8693/260791/358540678934355598073 : 5B97FB254CB400__
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M8693/260791/358540678934355598073 : C420958D74DFDDAB
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M8693/260791/358540678934355598073 : C420958D74DFDDAB
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M8693/260791/358540678934355598073 : C420958D74DFDDAB
PRP without proof (not generated)