# Talk:Carmichael number

From Encyclopedia of Mathematics

"P. Erdős proved in 1956 that $ C(X) < X.\exp(- k \log X \log\log\log X / \log\log X) $" — why the dot between $X$ and $\exp(\dots)$? Is it multiplication? --Boris Tsirelson (talk) 07:56, 2 June 2013 (CEST)

- Yes. Richard Pinch (talk) 11:22, 2 June 2013 (CEST)
- Fixed. --Boris Tsirelson (talk) 11:56, 2 June 2013 (CEST)

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Carmichael number.

*Encyclopedia of Mathematics.*URL: http://encyclopediaofmath.org/index.php?title=Carmichael_number&oldid=29828