The winning Michigan Daily 3 numbers for October 15, 1997 were: midday 5-1-5; evening 3-8-7.
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 |
|---|---|---|---|---|
| Oct 15, 1997 | Evening | 3-8-7 | 18 | 9 |
| Oct 15, 1997 | Midday | 5-1-5 | 11 | 2 |
| Oct 14, 1997 | Evening | 6-3-4 | 13 | 4 |
| Oct 14, 1997 | Midday | 2-0-3 | 5 | 5 |
| Oct 13, 1997 | Evening | 1-2-9 | 12 | 3 |
| Oct 13, 1997 | Midday | 1-5-3 | 9 | 9 |
| Oct 11, 1997 | Evening | 3-7-5 | 15 | 6 |
| Oct 11, 1997 | Midday | 8-0-4 | 12 | 3 |
| Oct 10, 1997 | Evening | 8-7-9 | 24 | 6 |
| Oct 10, 1997 | Midday | 2-7-1 | 10 | 1 |
| Oct 9, 1997 | Evening | 4-9-6 | 19 | 1 |
| Oct 9, 1997 | Midday | 2-6-3 | 11 | 2 |