Select 2 unique numbers from 1 to 72
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 2,556
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 5,112
If order does not matter (e.g. most lottery numbers): 2,556
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 5,112