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
11879953Factored
FactorDigitsBitsDate
28052845816091341.4old
76598646065360730523518732582.72021-08-08 02:51:17
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-11-24LaurV886034158409F8CE2969595053
History
DateUserTypeResult
2021-11-25PEDCERT
PRP Certification
Proof certified good
2021-11-24LaurVC-PRP
M11879953/2805284581609/7659864606536073052351873 : 886034158409F8CE
PRP proof power = 8
PRP: Verified
Proof certified good
2021-08-08ATHF-PP1
Start=2/7, B1=125000, B2=12500000, Factor: 7659864606536073052351873