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Licensed Unlicensed Requires Authentication Published by De Gruyter 2022

A note on Carmichael numbers in residue classes

From the book Number Theory and Combinatorics

  • Carl Pomerance


Improving on some recent results of Matomäki and of Wright, we show that the number of Carmichael numbers to X in a coprime residue class exceeds X1/(6 log log log X) for all sufficiently large X depending on the modulus of the residue class.

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