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
7641121
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
80294326061622961931962.8old
1040367125614465396492166.52020-04-22 12:55:46
2043334264679760106858632477.42024-01-23 19:56:41
P-1 factors
DateFactorsB1B2
2024-01-23204333426467976010685863
9000001750667100
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-04-11BattlemaxxE0C2B86EA60096A41319394053
Factored
PRP without proof (not generated)
2019-08-07kkmrkkblmbrbkE0C2B86EA60096A41390310953
Factored
PRP without proof (not generated)
2020-04-23AbsolutXTRE0C2B86EA60096A4287721753
Verified
Certified Good
2024-01-29Oliver KruseE0C2B86EA60096A4374159653
History
DateUserTypeResult
2024-01-29CavalicoCERT
Proof certified good
2024-01-29Oliver KruseC-PRPM7641121/8029432606162296193/104036712561446539649/204333426467976010685863 : E0C2B86EA60096A4
Proof Certified Good

Proof Power: 8

2024-01-23Stef42F-PM1Factor: 204333426467976010685863 / B1=900000, B2=1750667100
2022-03-21LordJuliusNFno factor TF: 64-65
2022-03-21LordJuliusNFno factor TF: 65-66
2020-04-23AbsolutXTRC-PRPM7641121/8029432606162296193/104036712561446539649 : E0C2B86EA60096A4
2020-04-22TJAOIFFactor: 104036712561446539649
2019-08-07kkmrkkblmbrbkC-PRPM7641121/8029432606162296193 : E0C2B86EA60096A4
2018-04-11BattlemaxxC-PRPM7641121/8029432606162296193 : E0C2B86EA60096A4
1998-08-30MadPoo 🙂FFactor: 8029432606162296193
1998-08-16-anonymous-NFno factor TF: 1-61
1998-08-16-anonymous-NFno factor TF: 1-62