The winning Delaware Play 3 numbers for May 31, 2015 were: night 1-6-1.
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, 2015 | Night | 1-6-1 | 8 | 8 |
| May 30, 2015 | Night | 1-5-3 | 9 | 9 |
| May 30, 2015 | Day | 9-3-2 | 14 | 5 |
| May 29, 2015 | Night | 7-4-5 | 16 | 7 |
| May 29, 2015 | Day | 7-9-9 | 25 | 7 |
| May 28, 2015 | Night | 7-1-9 | 17 | 8 |
| May 28, 2015 | Day | 3-0-4 | 7 | 7 |
| May 27, 2015 | Night | 3-7-5 | 15 | 6 |
| May 27, 2015 | Day | 7-1-4 | 12 | 3 |
| May 26, 2015 | Night | 6-3-5 | 14 | 5 |
| May 26, 2015 | Day | 8-4-0 | 12 | 3 |
| May 25, 2015 | Night | 0-7-8 | 15 | 6 |
| May 25, 2015 | Day | 0-4-0 | 4 | 4 |