Re:On Primes and Pluto
by happyscrappy on Thursday March 06, 2014 @01:51PM
(#7355749)
FTA:
What if we permitted 1 to be prime? In that case, 84 would also have the "prime" factorisation 1 x 1 x 1 x 2 x 2 x 3 x 7. That is, 84 could still be factorised, but it would no longer have a unique prime factorisation.
Re:On Primes and Pluto
by CatMtKing on Thursday March 06, 2014 @06:49PM
(#7357378)
I did read the article. I was just pointing out that the poster's original statement seemed to exclude prime integers -- well, unless the empty product is a product of primes.
What if we permitted 1 to be prime? In that case, 84 would also have the "prime" factorisation 1 x 1 x 1 x 2 x 2 x 3 x 7. That is, 84 could still be factorised, but it would no longer have a unique prime factorisation.