Select 5 unique numbers from 1 to 640
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 880,880,128,128 (~881 billion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 105,705,615,375,360 (~106 trillion)
If order does not matter (e.g. most lottery numbers): 880,880,128,128 (~881 billion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 105,705,615,375,360 (~106 trillion)