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
8260403
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
611269823929.2old
3775945583522660711858.42015-09-01 11:33:50
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-09-28storm551005B0766F5AF13C182509375453
Verified
PRP without proof (not generated)
2020-04-04oodaira05B0766F5AF13C182542267453
History
DateUserTypeResult
2024-04-04Stef42NF-PM1B1=976000, B2=2281600230
2020-04-04oodairaC-PRPM8260403/611269823/377594558352266071 : 05B0766F5AF13C18
2018-09-28storm5510C-PRPM8260403/611269823/377594558352266071 : 05B0766F5AF13C18
2015-09-01TJAOIFFactor: 377594558352266071