gcd_lcm.py

#!/bin/python3

import math
import os
import random
import re
import sys

#
# Complete the 'getTotalX' function below.
#
# The function is expected to return an INTEGER.
# The function accepts following parameters:
#  1. INTEGER_ARRAY a
#  2. INTEGER_ARRAY b
#

def getTotalX(a, b):
    # Write your code here
    
    gcd = b[0]
    for i in range(1, len(b)):
        gcd = math.gcd(gcd, b[i])
    lcm = a[0]
    for i in range(1, len(a)):
        lcm = (lcm*a[i])//(math.gcd(lcm, a[i]))
    if gcd %lcm ==0:
        return len([i*lcm for i in range(1, gcd//lcm+1) 
                          if gcd%(i*lcm)==0])
    return 0


if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')

    first_multiple_input = input().rstrip().split()

    n = int(first_multiple_input[0])

    m = int(first_multiple_input[1])

    arr = list(map(int, input().rstrip().split()))

    brr = list(map(int, input().rstrip().split()))

    total = getTotalX(arr, brr)

    fptr.write(str(total) + '\n')

    fptr.close()