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Old 2020-11-13, 17:55   #3
rogue
 
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"Mark"
Apr 2003
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Quote:
Originally Posted by Dr Sardonicus View Post
Presumably you mean

\Phi_{n}(x!)\text{, }\Phi_{2n}(x!)\text{,}

or the same polynomials with the argument x! replaced with x#?
I'm not fully understanding your notation.

5! = 5*4*3*2*1 so 5!^3 = (5*4*3*2*1)^3
5# = 5*3*2 so 5#^3 = (5*3*2)^3

Here is a list of factorial primes: https://primes.utm.edu/top20/page.php?id=30
Here is a list of primorial primes: https://primes.utm.edu/top20/page.php?id=5.
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