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
8442559
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
11387323579211340.1old
178460331802631444.02008-09-08 04:33:19
1890072622669127418072167.42022-05-30 09:19:45
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-28rucioCE1479827B657DA22316130353
Factored
PRP without proof (not generated)
2020-05-31Luigi MorelliCE1479827B657DA2228709753
Verified
Certified Good
2022-06-05XZTCE1479827B657DA23461817953
History
DateUserTypeResult
2024-04-19Dylan DelgadoNF-PM1B1=1000000, B2=852153390
2022-06-05curtiscCERT
Proof certified good
2022-06-05XZTC-PRPM8442559/1138732357921/17846033180263/189007262266912741807 : CE1479827B657DA2
Proof Certified Good

Proof Power: 8

2022-05-30TJAOIFFactor: 189007262266912741807
2020-05-31Luigi MorelliC-PRPM8442559/1138732357921/17846033180263 : CE1479827B657DA2
2018-10-28rucioC-PRPM8442559/1138732357921/17846033180263 : CE1479827B657DA2
2008-09-08Will EdgingtonFFactor: 17846033180263