What 2 numbers multiplied gives you 16?

There are several pairs of numbers that, when multiplied together, give you 16. For example, 4 and 4, as well as 2 and 8, both multiply to 16. Additionally, -4 and -4 or -2 and -8 also yield 16 when multiplied. Thus, the pairs (4, 4) and (2, 8) are two possible answers.