The factors of 189 are 1, 3, 7, 9, 21, 27, 63 and 189. That is 8 factors in total.
A factor of 189 is a whole number that divides 189 exactly, with no remainder. 189 is a composite number because it has factors other than 1 and itself.
Two numbers that multiply to give 189:
189 = 3 × 3 × 3 × 7 = 3³ × 7. The prime factors of 189 are 3 and 7.
| Number | Factors |
|---|---|
| 185 | 1, 5, 37, 185 |
| 186 | 1, 2, 3, 6, 31, 62, 93, 186 |
| 187 | 1, 11, 17, 187 |
| 188 | 1, 2, 4, 47, 94, 188 |
| 190 | 1, 2, 5, 10, 19, 38, 95, 190 |
| 191 | 1, 191 |
| 192 | 14 factors |
| 193 | 1, 193 |
More about 189: square root of 189 · 189 in binary.
Another number? Try the prime number checker, the GCF and LCM calculator or see all factor lists.