Python/Project Euler/Problem 03/sol2.py
2018-10-19 14:00:31 +05:30

18 lines
366 B
Python

'''
Problem:
The prime factors of 13195 are 5,7,13 and 29. What is the largest prime factor of a given number N?
e.g. for 10, largest prime factor = 5. For 17, largest prime factor = 17.
'''
from __future__ import print_function
n=int(raw_input())
prime=1
i=2
while(i*i<=n):
while(n%i==0):
prime=i
n/=i
i+=1
if(n>1):
prime=n
print(prime)