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Old 2008-12-06, 04:16   #5
devarajkandadai's Avatar
May 2004

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Default 3-factor C.Ns

I wonder whether 561 is the only 3-factor C.N. with 3 as a factor . The reason is that if we were to keep 3 fixed and increase p_2 and p_3 indefinitely, k becomes asymptotic to 6.
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