Write a Python function to find the number of zeros at the end of a factorial of a given positive number.


Topic: Write a Python function to find the number of zeros at the end of a factorial of a given positive number.

Solution

def factendzero(n):
  x = n // 5
  y = x 
  while x > 0:
    x /= 5
    y += int(x)
  return y



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