import std.algorithm;
import std.array;
import std.conv;
import std.math;
import std.range;
import std.stdio;
import std.string;
import std.typecons;

T read(T)() { return readln.chomp.to!T; }
T[] reads(T)() { return readln.split.to!(T[]); }
alias readint = read!int;
alias readints = reads!int;

T gcd(T)(T a, T b) {
    if (b == 0) return a;
    return gcd(b, a % b);
}

T lcm(T)(T a, T b) {
    return a * (b / gcd(a, b));
}

void main() {
    readint;
    auto xs = readints;
    auto ans = xs.fold!lcm;
    writeln(ans);
}
