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
3436507Factored
FactorDigitsBitsDate
1373147095634811547.0old
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-11-06kkmrkkblmbrbk44035C2488BA884B1329947253
Verified2017-11-21Oliver Kruse44035C2488BA884B1289322353
P-1 factors
DateFactorB1B2
2022-01-211373147095634819000090000
History
DateUserTypeResult
2022-04-10JossNF-PM1
B1=1000000, B2=126668850
2022-01-21JossF-PM1
Factor: 137314709563481 / (P-1, B1=90000, B2=90000)
2021-06-10JossNF
no factor from 2^67 to 2^68
2017-11-21Oliver KruseC-PRP
M3436507/137314709563481 : 44035C2488BA884B
PRP: Verified
PRP without proof (not generated)
2017-11-06kkmrkkblmbrbkC-PRP
M3436507/137314709563481 : 44035C2488BA884B
PRP: Verified
PRP without proof (not generated)