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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MnDetails
8298781
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
35010731307191341.7old
2026454355714799931857.52015-06-24 11:18:37
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-09-30ATH5C0800273681FF7822623953
Verified
PRP without proof (not generated)
2020-04-19Nesowa5C0800273681FF782402231153
History
DateUserTypeResult
2024-04-07Stef42NF-PM1B1=971000, B2=2344988100
2020-04-19NesowaC-PRPM8298781/3501073130719/202645435571479993 : 5C0800273681FF78
2018-09-30ATHC-PRPM8298781/3501073130719/202645435571479993 : 5C0800273681FF78
2015-06-24TJAOIFFactor: 202645435571479993