Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:





MnDetails
8321429
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
66571433826.0old
745600038411136.12008-09-08 04:30:17
4284268159313914782418532535133098.42024-06-10 21:29:12
P-1 factors
DateFactorsB1B2
2024-06-10428426815931391478241853253513
13750002725257990
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-09rucio13DE4C86EDFAF16B2278007153
Factored
PRP without proof (not generated)
2020-04-19Wentao Huang13DE4C86EDFAF16B2298440253
Verified
Certified Good
2024-06-16dnova13DE4C86EDFAF16B343089753
History
DateUserTypeResult
2024-06-16Wolfy339CERT
Proof certified good
2024-06-16dnovaC-PRPM8321429/66571433/74560003841/428426815931391478241853253513 : 13DE4C86EDFAF16B
Proof Certified Good

Proof Power: 8

2024-06-10Stef42F-PM1Factor: 428426815931391478241853253513 / B1=1375000, B2=2725257990
2020-04-19Wentao HuangC-PRPM8321429/66571433/74560003841 : 13DE4C86EDFAF16B
2018-10-09rucioC-PRPM8321429/66571433/74560003841 : 13DE4C86EDFAF16B
2008-09-08Will EdgingtonFFactor: 74560003841