#include <iostream>
using namespace std;
long long gcd(int,int);
long long lcm(int,int);
int main() {
	int n;
	cin >> n;
	int number;
	cin >> number;
	long long answer = number;
	for(int i = 1; i < n; i ++ ) {
		cin >> number;
		answer = lcm(answer,number);
	}
	cout << answer;
	return 0;
}
long long gcd(int x,int y) {
	return y > 0 ? gcd(y,x % y) : x;
}
long long lcm(int x,int y) {
	return x * y / gcd(x,y);
}

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