Divide by divisor

Number Theory Level 4

If $f(x)$ is the greatest prime divisor of $x$ divided by the smallest prime divisor of $x$ , for what values of $x$ is $f\big(f(x)\big)$ defined?

For all values of

x

When

x

is 1 When

x

is not 1 When

x

is prime When

x

is prime or 1 When

x

is an integer power of a prime When

x

is an integer power of a prime or 1 For no values of

x

0 solutions

No explanations have been posted yet. Check back later!