# Always, sometimes, or never?

Fill in each blank with either

*always*,*sometimes*, or*never*. Hover to see the answer.- A positive whole number always has at least one factor.
- A whole number never has infinitely many factors.
- Positive whole numbers sometimes have 2 as a factor.
- Positive whole numbers sometimes have 5 as a factor.
- Positive whole numbers never have 0 as a factor.
- Positive whole numbers always have 1 as a factor.
- The highest common factor of two positive integers \(m\) and \(n\) is sometimes equal to \(m\).
- The highest common factor of two positive integers \(m\) and \(n\) is never greater than \(m\) or \(n\).
- A square number always has an odd number of factors.
- A cube number sometimes has an odd number of factors.
- The fourth power of an integer always has an odd number of factors.