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:





MnDetails
7860343
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
518782639929.0old
9591955368704396906172169.72024-01-31 21:49:49
P-1 factors
DateFactorsB1B2
2024-01-31959195536870439690617
950000950000
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-05-23storm5510B7A650E3E0CE88B21708281953
Factored
PRP without proof (not generated)
2019-10-28ATHB7A650E3E0CE88B21325551153
Verified
Certified Good
2024-02-11Naegi MakotoB7A650E3E0CE88B22469979353
History
DateUserTypeResult
2025-05-08Stef42NF-PM1B1=2140000, B2=2765544600
2024-02-11dirkswansonCERT
Proof certified good
2024-02-11Naegi MakotoC-PRPM7860343/518782639/959195536870439690617 : B7A650E3E0CE88B2
Proof Certified Good

Proof Power: 8

2024-01-31Stef42F-PM1Factor: 959195536870439690617 / B1=950000
2019-10-28ATHC-PRPM7860343/518782639 : B7A650E3E0CE88B2
2018-05-23storm5510C-PRPM7860343/518782639 : B7A650E3E0CE88B2