The winning Louisiana Pick 4 numbers for May 18, 2021 were: evening 7-3-0-3.
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).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| May 18, 2021 | Evening | 7-3-0-3 | 13 | 4 |
| May 17, 2021 | Evening | 8-6-4-3 | 21 | 3 |
| May 16, 2021 | Evening | 0-1-1-7 | 9 | 9 |
| May 15, 2021 | Evening | 7-2-3-1 | 13 | 4 |
| May 14, 2021 | Evening | 3-8-0-3 | 14 | 5 |
| May 13, 2021 | Evening | 5-4-6-7 | 22 | 4 |
| May 12, 2021 | Evening | 3-1-9-3 | 16 | 7 |