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
1818727Factored
FactorDigitsBitsDate
1083786876080711546.6old
15246782610545581800712270.42020-10-05 02:30:59
ECM
DigitsB1Curves
2550000280 / 280
30250000106 / 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)2017-10-03Oliver KruseB2DE0D08493AE2831013
Verified (Factored)2017-11-05ATHB2DE0D08493AE2831156746413
Verified2020-10-05M Miller23706127D94239B9265544753
History
DateUserTypeResult
2020-10-05curtiscCERT
PRP Certification
Proof certified good
2020-10-05M MillerC-PRP
M1818727/108378687608071/1524678261054558180071 : 23706127D94239B9
PRP proof power = 7
PRP: Verified
Proof certified good
2020-10-05_p95holder_F-ECM
Factor: 1524678261054558180071 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-05ATHC-PRP
M1818727/108378687608071 : B2DE0D08493AE283
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-03Oliver KruseC-PRP
M1818727/108378687608071 : B2DE0D08493AE283
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12