The winning Michigan Daily 3 numbers for October 21, 2007 were: midday 8-5-5; evening 4-2-0.
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 |
|---|---|---|---|---|
| Oct 21, 2007 | Evening | 4-2-0 | 6 | 6 |
| Oct 21, 2007 | Midday | 8-5-5 | 18 | 9 |
| Oct 20, 2007 | Evening | 6-6-3 | 15 | 6 |
| Oct 20, 2007 | Midday | 2-6-8 | 16 | 7 |
| Oct 19, 2007 | Evening | 3-2-3 | 8 | 8 |
| Oct 19, 2007 | Midday | 3-7-5 | 15 | 6 |
| Oct 18, 2007 | Evening | 2-3-2 | 7 | 7 |
| Oct 18, 2007 | Midday | 9-5-5 | 19 | 1 |
| Oct 17, 2007 | Evening | 8-9-3 | 20 | 2 |
| Oct 17, 2007 | Midday | 5-4-2 | 11 | 2 |
| Oct 16, 2007 | Evening | 0-8-6 | 14 | 5 |
| Oct 16, 2007 | Midday | 2-2-3 | 7 | 7 |
| Oct 15, 2007 | Evening | 8-5-4 | 17 | 8 |
| Oct 15, 2007 | Midday | 4-7-5 | 16 | 7 |