The winning Delaware Play 4 numbers for May 5, 1991 were: night 6-3-6-6.
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 5, 1991 | Night | 6-3-6-6 | 21 | 3 |
| May 4, 1991 | Night | 0-5-5-7 | 17 | 8 |
| May 3, 1991 | Night | 8-5-0-8 | 21 | 3 |
| May 2, 1991 | Night | 9-0-3-6 | 18 | 9 |
| May 1, 1991 | Night | 3-0-1-9 | 13 | 4 |
| Apr 30, 1991 | Night | 3-1-0-8 | 12 | 3 |
| Apr 29, 1991 | Night | 5-8-2-1 | 16 | 7 |