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
8328673
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
49972038011032.2old
13098504027111340.32008-09-08 04:30:31
55627424845085691652.32014-08-03 11:28:41
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-15Oliver KruseFF47E2E4A2FF3A083170560353
Verified
PRP without proof (not generated)
2020-04-20Igvan28FF47E2E4A2FF3A083456705053
History
DateUserTypeResult
2024-03-06Stef42NF-PM1B1=3000000, B2=53783100
2020-04-20Igvan28C-PRPM8328673/4997203801/1309850402711/5562742484508569 : FF47E2E4A2FF3A08
2018-10-15Oliver KruseC-PRPM8328673/4997203801/1309850402711/5562742484508569 : FF47E2E4A2FF3A08
2014-08-03TJAOIFFactor: 5562742484508569
2008-09-08Will EdgingtonFFactor: 1309850402711