Generalized infinitude conjecture for weak Carmichael numbers

Let s2s\ge 2 be an integer, and let (e1,e2,,es)(e_1,e_2,\ldots,e_s) be a fixed tuple with e1e2es1e_1\ge e_2\ge\cdots\ge e_s\ge 1 and i=1sei3\sum_{i=1}^s e_i\ge 3. Generalized weak Carmichael infinitude conjecture. There are infinitely many weak Carmichael numbers

n=p1e1p2e2pses,n=p_1^{e_1}p_2^{e_2}\cdots p_s^{e_s},

where p1,p2,,psp_1,p_2,\ldots,p_s are distinct odd primes. This generalizes the conjectured infinitude of the two-prime families.

Sources & referencesView supporting material

Primary source

Romeo Meštrović, “Generalizations of Carmichael numbers I”, arXiv:1305.1867 (2013).

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