Assertion: prime number's factor | /r/HasProperty | any number of copies of 2 or 3
Facets:
Source sentences:
text: Likewise, a regular n {\displaystyle n} -gon may be constructed using straightedge, compass, and an angle trisector if and only if the prime factors of n {\displaystyle n} are any number of copies of 2 or 3 together with a (possibly empty) set of distinct Pierpont primes, primes of the form 2 a 3 b + 1 {\displaystyle 2^{a}3^{b}+1} .