Given any random number (even in this case), find the two closest integers divisible by 2, or the two integers closes to the square root divisible by 2

Nearest Even Integer To Square Root.py

import math
import random

def calc(num):
  resultFound = False
  for i in range(1,100):
		ii = math.pow(2, i) 
		s = math.sqrt(num) 
		r = int(round(s / ii) * ii)
		if r > 0:
			rr = int(num / r)
			if r % 2 is 0 and rr % 2 == 0:
				return  r, rr
				resultFound = True
				break
	if not resultFound:
		return False

for i in range(100):
	print calc(random.randrange(16,160,16))