Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
2534689Factored
FactorDigitsBitsDate
5068271405476391548.8old
17800252158385931650.72014-06-05 11:29:15
22131413291848871651.02014-06-13 11:33:13
421538746207195009132065.22018-07-18 10:27:26
ECM
DigitsB1Curves
255000058 / 280
Estimated T-Level: 21.0
TF below 2^65 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-14Oliver KruseF405B046FDD26FA4386219553
Verified (Factored)2017-12-01kkmrkkblmbrbkF405B046FDD26FA43228468653
Verified2018-07-20_p95holder_F405B046FDD26FA44140328253
History
DateUserTypeResult
2019-07-04alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2018-07-20_p95holder_C-PRP
M2534689/506827140547639/1780025215838593/2213141329184887/42153874620719500913 : F405B046FDD26FA4
PRP: Verified
PRP without proof (not generated)
2018-07-18TJAOIF
Factor: 42153874620719500913 / TF: 65-66
2017-12-01kkmrkkblmbrbkC-PRP
M2534689/506827140547639/1780025215838593/2213141329184887 : F405B046FDD26FA4
PRP: Verified
PRP without proof (not generated)
2017-10-14Oliver KruseC-PRP
M2534689/506827140547639/1780025215838593/2213141329184887 : F405B046FDD26FA4
PRP: Verified
PRP without proof (not generated)
2014-06-13TJAOIF
Factor: 2213141329184887
2014-06-05TJAOIF
Factor: 1780025215838593