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• ## Re: Generalized Fermat from Primorial

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• ... E.g., 1801#^16+1 is prime. ... Check out http://home.btclick.com/rw.smith/pp/page1.htm and http://ourworld.compuserve.com/homepages/hlifchitz/ --Mark
Message 1 of 4 , Aug 2, 2002
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--- In primenumbers@y..., "Andrey Kulsha" <Andrey_601@t...> wrote:
> Hello!
>
> Did anybody look for primes of the form p#^2^n+1 (or n!^2^n+1)?
E.g., 1801#^16+1 is prime.
>
> Best wishes,
>
> Andrey

Check out

http://home.btclick.com/rw.smith/pp/page1.htm

and

http://ourworld.compuserve.com/homepages/hlifchitz/

--Mark
• ... [snip] ... p#^2^n+1 isn t primoproth, it s primo-generalized-fermat. So, 1801#^16+1 appears to be the largest known such number (p#^2^n+1)? Best wishes,
Message 1 of 4 , Aug 4, 2002
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> > Did anybody look for primes of the form p#^2^n+1 (or n!^2^n+1)?
> E.g., 1801#^16+1 is prime.
[snip]
> Check out
>
> http://home.btclick.com/rw.smith/pp/page1.htm

p#^2^n+1 isn't primoproth, it's primo-generalized-fermat.

So, 1801#^16+1 appears to be the largest known such number (p#^2^n+1)?

Best wishes,

Andrey
• Please forgive me my spaming... ... 789 7457#^16+1 50805 p16 2000 Generalized Fermat I should be more attentive. Best wishes, Andrey
Message 1 of 4 , Aug 4, 2002
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> So, 1801#^16+1 appears to be the largest known such number (p#^2^n+1)?

789 7457#^16+1 50805 p16 2000 Generalized Fermat

I should be more attentive.

Best wishes,

Andrey
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