The winning Louisiana Pick 4 numbers for May 31, 2021 were: evening 2-2-1-5.
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 31, 2021 | Evening | 2-2-1-5 | 10 | 1 |
| May 30, 2021 | Evening | 1-2-1-5 | 9 | 9 |
| May 29, 2021 | Evening | 3-0-6-8 | 17 | 8 |
| May 28, 2021 | Evening | 4-1-7-6 | 18 | 9 |
| May 27, 2021 | Evening | 9-9-9-9 | 36 | 9 |
| May 26, 2021 | Evening | 8-7-6-0 | 21 | 3 |
| May 25, 2021 | Evening | 2-7-4-6 | 19 | 1 |