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
8318993
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
21116109082792311650.9old
1907927009583717103955519532787.32024-04-08 17:09:53
P-1 factors
DateFactorsB1B2
2024-04-08190792700958371710395551953
141000210169050
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-09trebor096DB12F8252AA0F1186419653
Factored
PRP without proof (not generated)
2020-04-18Oliver Kruse096DB12F8252AA0F183440353
Verified
Certified Good
2024-04-14Extremofire096DB12F8252AA0F2726086153
History
DateUserTypeResult
2025-05-07beepNF-PM1B1=1900000, B2=10261521270
2024-04-20Chris BCERT
Proof certified good
2024-04-14ExtremofireC-PRPM8318993/2111610908279231/190792700958371710395551953 : 096DB12F8252AA0F
Proof Certified Good

Proof Power: 8

2024-04-08Stef42F-PM1Factor: 190792700958371710395551953 / B1=141000, B2=210169050
2020-04-18Oliver KruseC-PRPM8318993/2111610908279231 : 096DB12F8252AA0F
2018-10-09treborC-PRPM8318993/2111610908279231 : 096DB12F8252AA0F