The winning Connecticut Play3 numbers for May 15, 2015 were: day 5-0-9; night 7-7-0.
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 15, 2015 | Night | 7-7-0 | 14 | 5 |
| May 15, 2015 | Day | 5-0-9 | 14 | 5 |
| May 14, 2015 | Night | 6-5-7 | 18 | 9 |
| May 14, 2015 | Day | 4-8-9 | 21 | 3 |
| May 13, 2015 | Night | 1-0-4 | 5 | 5 |
| May 13, 2015 | Day | 0-1-8 | 9 | 9 |
| May 12, 2015 | Night | 8-0-8 | 16 | 7 |
| May 12, 2015 | Day | 5-4-0 | 9 | 9 |
| May 11, 2015 | Night | 3-3-2 | 8 | 8 |
| May 11, 2015 | Day | 0-0-1 | 1 | 1 |
| May 10, 2015 | Night | 8-1-7 | 16 | 7 |
| May 10, 2015 | Day | 9-2-3 | 14 | 5 |
| May 9, 2015 | Night | 1-2-5 | 8 | 8 |
| May 9, 2015 | Day | 6-9-6 | 21 | 3 |