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
1819343Factored
FactorDigitsBitsDate
43664233825.4old
1064506031051531546.62014-02-18 11:16:43
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
Verified2017-10-03Oliver KruseD7E235D38CF5FA572013
Verified2017-11-05kkmrkkblmbrbkD7E235D38CF5FA572125470213
History
DateUserTypeResult
2017-11-05kkmrkkblmbrbkC-PRP
M1819343/43664233/106450603105153 : D7E235D38CF5FA57
PRP: Verified
PRP without proof (not generated)
2017-10-03Oliver KruseC-PRP
M1819343/43664233/106450603105153 : D7E235D38CF5FA57
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12
2014-02-18TJAOIF
Factor: 106450603105153