The winning Colorado Pick 3 numbers for May 21, 2017 were: midday 8-1-2; evening 2-5-3.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| May 21, 2017 | Evening | 2-5-3 | 10 | 1 |
| May 21, 2017 | Midday | 8-1-2 | 11 | 2 |
| May 20, 2017 | Evening | 8-8-6 | 22 | 4 |
| May 20, 2017 | Midday | 7-8-9 | 24 | 6 |
| May 19, 2017 | Evening | 2-5-6 | 13 | 4 |
| May 19, 2017 | Midday | 3-9-1 | 13 | 4 |
| May 18, 2017 | Evening | 2-7-2 | 11 | 2 |
| May 18, 2017 | Midday | 2-5-6 | 13 | 4 |
| May 17, 2017 | Evening | 2-2-9 | 13 | 4 |
| May 17, 2017 | Midday | 3-8-4 | 15 | 6 |
| May 16, 2017 | Evening | 5-4-7 | 16 | 7 |
| May 16, 2017 | Midday | 3-1-6 | 10 | 1 |
| May 15, 2017 | Evening | 4-7-0 | 11 | 2 |
| May 15, 2017 | Midday | 7-1-9 | 17 | 8 |