num Some commands for number theory Install go install github.com/nsaeki/num Usage % num factor 100 2 2 5 5 % num prime 23 2 3 5 7 11 13 17 19 23 % num divisor 42 1 2 3 6 7 14 21 42 % num lcm 12 18 24 72 % num gcd 12 18 6