| Answer | Crossword Clue |
|---|---|
| ONE | Prime number factor |
| ONE | Factor of every prime number |
| ONE | Prime factor |
| DIVISOR | Factor of a number. |
| contain | (of a number) Be divisible by (a factor) without a remainder |
| containing | (of a number) Be divisible by (a factor) without a remainder |
| contained | (of a number) Be divisible by (a factor) without a remainder |
| root | quantity taken an indicated number of times as an equal factor 2 is a fourth root of 16 |
