15 Random Numbers between 1-20 | Number Generator

5 17 12 9 7 13 10 4 16 19 8 18 15 14 1
Generate random numbers between and Lucky Lottery Number Generator

Combinatorics

Select 15 numbers from 1 to 20

Total possible combinations (ways)
If order does not matter: 15,504 (~15.5 thousand)
If order matters: 20,274,183,401,472,000 (~20274.2 trillion)