[seqfan] Re: list of all non-prime coprimes of the full set of primorial numbers
primeness at borve.org
Thu Apr 20 16:37:26 CEST 2017
I don't understand your definition. No composite number (or prime
number) is coprime with every primorial.
In message <1519076981.96001664.1492686862154.JavaMail.zimbra at shaw.ca>,
Jamie Morken <jmorken at shaw.ca> writes
>Here is a sequence I added as a draft: https://oeis.org/draft/A285510
>It is a list of all non-prime coprimes of the full set of primorial numbers.
>Pn(2) has 1 coprime: 1
>Pn(6) has 2 coprimes: 1,5
>Pn(30) has 8 coprimes: 1,7,11,13,17,19,23,29
>Pn(210) has 48 coprimes: etc..
>The sequence is a complete list of all non-prime coprimes for all Pn. The
>Only large n values in the sequence will change when larger Pn are added to the
>set, values up to an increasingly
>large n will not change as larger Pn are added.
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