def getTotalX(a, b):
    # Write your code here
    ekuk=math.lcm(*a)
    ekub=math.gcd(*b)
    count=0
    for i in range(ekuk,ekub+1):
        result = list(map(lambda x: i%x==0, a))
        if False not in result:
            result2=list(map(lambda y: y%i==0,b))
            if False not in result2:
                count+=1
    return count