# Always, sometimes, or never?

Fill in each blank with either always, sometimes, or never. Hover to see the answer.
1. A positive whole number has at least one factor.
2. A whole number has infinitely many factors.
3. Positive whole numbers have 2 as a factor.
4. Positive whole numbers have 5 as a factor.
5. Positive whole numbers have 0 as a factor.
6. Positive whole numbers have 1 as a factor.
7. The highest common factor of two positive integers $$m$$ and $$n$$ is equal to $$m$$.
8. The highest common factor of two positive integers $$m$$ and $$n$$ is greater than $$m$$ or $$n$$.
9. A square number has an odd number of factors.
10. A cube number has an odd number of factors.
11. The fourth power of an integer has an odd number of factors.