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
1699877Factored
FactorDigitsBitsDate
11346305002071340.0old
32442319600863492343512271.52019-05-02 08:52:07
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-30alpertron7FB40490BC521F9B1013
Verified (Factored)2017-10-18Oliver Kruse7FB40490BC521F9B151257013
Verified2019-05-03artorollo20BC174451506331295018253
Verified2019-05-04kkmrkkblmbrbk20BC1744515063312124466553
History
DateUserTypeResult
2019-05-04kkmrkkblmbrbkC-PRP
M1699877/1134630500207/3244231960086349234351 : 20BC174451506331
PRP: Verified
PRP without proof (not generated)
2019-05-03artorolloC-PRP
M1699877/1134630500207/3244231960086349234351 : 20BC174451506331
PRP: Verified
PRP without proof (not generated)
2019-05-02Chang Chia-TcheF-ECM
Factor: 3244231960086349234351 / (ECM curve 1, B1=50000, B2=5000000)
2017-10-18Oliver KruseC-PRP
M1699877/1134630500207 : 7FB40490BC521F9B
PRP: Verified
PRP without proof (not generated)
2017-09-30alpertronC-PRP
M1699877/1134630500207 : 7FB40490BC521F9B
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12