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
1034461Factored
FactorDigitsBitsDate
99308257826.6old
271028783928.02008-07-16 09:30:26
178592467793521598422408889532993.92021-07-06 15:35:16
ECM
DigitsB1Curves
2550000280 / 280
30250000111 / 640
Estimated T-Level: 25.9
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-28Oliver Kruse3F6F74156BAD5DC22013
Verified (Factored)2017-10-15Oliver Kruse3F6F74156BAD5DC2228598013
Verified (Factored)2017-12-28ATH3F6F74156BAD5DC2281777513
Verified2021-07-06SRJ2877723FE82C9A508282317735153
History
DateUserTypeResult
2021-07-16ViliamFNF-PM1
B1=10000000, B2=1110000000
2021-07-06Ben DeloCERT
PRP Certification
Proof certified good
2021-07-06SRJ2877C-PRP
M1034461/99308257/271028783/17859246779352159842240888953 : 723FE82C9A508282
PRP proof power = 6
PRP: Verified
Proof certified good
2021-07-06Dylan DelgadoF-PP1
Start=2/7, B1=3000000, B2=243000000, Factor: 17859246779352159842240888953
2017-12-28ATHC-PRP
M1034461/99308257/271028783 : 3F6F74156BAD5DC2
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-15Oliver KruseC-PRP
M1034461/99308257/271028783 : 3F6F74156BAD5DC2
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-28Oliver KruseC-PRP
M1034461/99308257/271028783 : 3F6F74156BAD5DC2
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=300000, B2=10000000, E=12
2008-07-16J FeitsmaF
Factor: 271028783