3 ms·
rad is the arbitrary function you asked about ;) rad(x) is the product of the distinct prime factors of x, ie. it drops repeated prime factors, rad(2^n)=2, etc.
by edflsafoiewq 8y ago
rad is the arbitrary function you asked about ;) rad(x) is the product of the distinct prime factors of x, ie. it drops repeated prime factors, rad(2^n)=2, etc.