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
9544097Factored
FactorDigitsBitsDate
76352777826.2old
229058329927.82008-09-08 05:32:19
3085667642320811548.12014-03-27 11:19:15
323683194987770466580985512684.72022-03-07 03:21:31
ECM
DigitsB1Curves
255000044 / 280
Estimated T-Level: 20.8 ⓘ
TF below 2^64 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2020-08-12riccardo ubertiDF5206C1E24D3ED23621467753
Verified (Factored)2020-12-21Oliver KruseDF5206C1E24D3ED23407006753
Verified2022-03-07riccardo ubertiDF5206C1E24D3ED24588540653
History
DateUserTypeResult
2022-03-11riccardo ubertiNF-PP1
Start=6/5, B1=2300000, B2=48000000
2022-03-07Simon JosefssonCERT
PRP Certification
Proof certified good
2022-03-07riccardo ubertiC-PRP
M9544097/76352777/229058329/308566764232081/32368319498777046658098551 : DF5206C1E24D3ED2
PRP proof power = 8
PRP: Verified
Proof certified good
2022-03-07riccardo ubertiF-PP1
Start=2/7, B1=2000000, Factor: 32368319498777046658098551
2020-12-21arnaudCERT
PRP Certification
Proof certified good
2020-12-21Oliver KruseC-PRP
M9544097/76352777/229058329/308566764232081 : DF5206C1E24D3ED2
PRP proof power = 8
PRP: Verified (Factored)
Proof certified good
2020-08-12riccardo ubertiC-PRP
M9544097/229058329/308566764232081/76352777 : DF5206C1E24D3ED2
PRP: Verified (Factored)
PRP without proof (not generated)
2014-03-27TJAOIF
Factor: 308566764232081
2008-09-08Will EdgingtonF
Factor: 229058329