def getTotalX(a, b):
    mcm_a = math.lcm(*a)
    i=1
    counter = 0
    while i*mcm_a <= min(b):
        div_b = True
        for b_ in b:
            if b_%(i*mcm_a)!=0:
                div_b = False
        if div_b == True:
            counter+=1
        i+=1
    return counter