The winning Michigan Daily 3 numbers for December 31, 1997 were: midday 1-6-7; evening 6-4-2.
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 |
|---|---|---|---|---|
| Dec 31, 1997 | Evening | 6-4-2 | 12 | 3 |
| Dec 31, 1997 | Midday | 1-6-7 | 14 | 5 |
| Dec 30, 1997 | Evening | 4-2-2 | 8 | 8 |
| Dec 30, 1997 | Midday | 4-2-1 | 7 | 7 |
| Dec 29, 1997 | Evening | 6-8-3 | 17 | 8 |
| Dec 29, 1997 | Midday | 8-3-2 | 13 | 4 |
| Dec 27, 1997 | Evening | 3-4-5 | 12 | 3 |
| Dec 27, 1997 | Midday | 5-7-8 | 20 | 2 |
| Dec 26, 1997 | Evening | 3-7-9 | 19 | 1 |
| Dec 26, 1997 | Midday | 5-5-8 | 18 | 9 |