i want to get a number and find all of that's primefactor and multiple the next primefactors with each other.only with recursion

Question

for example:number=21
primefactors=3 and 7
final = 5*11=55

Answer 1

https://code.sololearn.com/cPbyIcV2UwlU/?ref=app
https://code.sololearn.com/c73G675Zv33K/?ref=app