In the statement a times b equals m, what are a and b called?

1. The definition names two numbers that multiply together to make a third number. 2. When a times b equals m, both a and b are said to be factors of m. 3. This matches how 8 times 9 equals 72, making 8 and 9 factors of 72. _Source: OpenStax Elementary Algebra (CC BY 4.0), Ch 1 "Foundations", section 1.1 Introduction to Whole Numbers_