Find lowest common multiple for a given number

lcm.py

import random
while True:
    numbers_str = input("Enter a number to find the LCM for (csv):")
    if not numbers_str:
        break
    numbers_int = []
    for number in numbers_str.split(","):
        numbers_int.append(int(number))
    current = 1
    while True:
        is_multiple = True
        current_actual = min(numbers_int)*current
        for n in numbers_int:
            if current_actual % int(n) != 0:
                is_multiple = False
        if is_multiple:
            print("LCM is",current_actual)
            break
        current += 1