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
7883839
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
189212137927.5old
331121239928.32008-09-08 03:41:19
1030474237369360160712166.52020-04-15 12:52:54
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-05-31Oliver Kruse0033223E3FDB7016240719353
Factored
PRP without proof (not generated)
2019-11-05marssystems0033223E3FDB70162307321953
Verified
PRP without proof (not generated)
2020-04-18riccardo uberti0033223E3FDB70163569562853
History
DateUserTypeResult
2024-02-21Stef42NF-PM1B1=2500000, B2=5120005800
2020-04-18riccardo ubertiC-PRPM7883839/189212137/331121239/103047423736936016071 : 0033223E3FDB7016
2020-04-15TJAOIFFactor: 103047423736936016071
2019-11-05marssystemsC-PRPM7883839/189212137/331121239 : 0033223E3FDB7016
2018-05-31Oliver KruseC-PRPM7883839/189212137/331121239 : 0033223E3FDB7016
2008-09-08Will EdgingtonFFactor: 331121239