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
1943023Factored
FactorDigitsBitsDate
260846174494811444.6old
5480872594400891549.02008-08-26 20:20:20
14076845120052091684872270.32021-02-05 14:05:36
ECM
DigitsB1Curves
2550000280 / 280
3025000056 / 640
Estimated T-Level: 25.4
TF below 2^80 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-05Oliver Kruse0B09233271D955402013
Verified (Factored)2017-11-11kkmrkkblmbrbk0B09233271D955402159736813
Verified2021-02-05ViliamF7462013AD57E81553144034453
History
DateUserTypeResult
2021-02-05ElionCERT
PRP Certification
Proof certified good
2021-02-05ViliamFC-PRP
M1943023/26084617449481/548087259440089/1407684512005209168487 : 7462013AD57E8155
PRP proof power = 7
PRP: Verified
Proof certified good
2021-02-05_p95holder_F-ECM
Factor: 1407684512005209168487 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-11kkmrkkblmbrbkC-PRP
M1943023/26084617449481/548087259440089 : 0B09233271D95540
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-05Oliver KruseC-PRP
M1943023/26084617449481/548087259440089 : 0B09233271D95540
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12
2008-08-26-Anonymous-F
Factor: 548087259440089