""" Problem: 2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder. What is the smallest positive number that is evenly divisible(divisible with no remainder) by all of the numbers from 1 to N? """ from __future__ import print_function try: raw_input # Python 2 except NameError: raw_input = input # Python 3 """ Euclidean GCD Algorithm """ def gcd(x, y): return x if y == 0 else gcd(y, x % y) """ Using the property lcm*gcd of two numbers = product of them """ def lcm(x, y): return (x * y) // gcd(x, y) def solution(n): """Returns the smallest positive number that is evenly divisible(divisible with no remainder) by all of the numbers from 1 to n. >>> solution(10) 2520 >>> solution(15) 360360 >>> solution(20) 232792560 >>> solution(22) 232792560 """ g = 1 for i in range(1, n + 1): g = lcm(g, i) return g if __name__ == "__main__": print(solution(int(raw_input().strip())))