The winning Michigan Daily 3 numbers for September 15, 1997 were: midday 7-9-7; evening 5-5-7.
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 |
|---|---|---|---|---|
| Sep 15, 1997 | Evening | 5-5-7 | 17 | 8 |
| Sep 15, 1997 | Midday | 7-9-7 | 23 | 5 |
| Sep 13, 1997 | Evening | 0-1-9 | 10 | 1 |
| Sep 13, 1997 | Midday | 0-9-8 | 17 | 8 |
| Sep 12, 1997 | Evening | 6-2-3 | 11 | 2 |
| Sep 12, 1997 | Midday | 3-5-8 | 16 | 7 |
| Sep 11, 1997 | Evening | 8-5-0 | 13 | 4 |
| Sep 11, 1997 | Midday | 6-7-4 | 17 | 8 |
| Sep 10, 1997 | Evening | 1-8-4 | 13 | 4 |
| Sep 10, 1997 | Midday | 4-2-0 | 6 | 6 |
| Sep 9, 1997 | Evening | 1-7-2 | 10 | 1 |
| Sep 9, 1997 | Midday | 8-0-6 | 14 | 5 |