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
7918829
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
872901389758491446.3old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-06-06storm5510285D8EBCF33BA2E51405076653
Verified
PRP without proof (not generated)
2019-12-15Ivan M285D8EBCF33BA2E51105424453
History
DateUserTypeResult
2024-02-05Stef42NF-PM1B1=950000, B2=1968826860
2019-12-15Ivan MC-PRPM7918829/87290138975849 : 285D8EBCF33BA2E5
2018-06-06storm5510C-PRPM7918829/87290138975849 : 285D8EBCF33BA2E5