What are the factor pairs of 4?

Answer 1

Generally, when there's a space between numbers, it's because this website doesn't like plus signs or exponents. It does make it difficult to know exactly what you're asking.

4: (4,1)(2,2)

4 + 4: (8,1)(4,2)

44: (44,1)(22,2)(11,4)

44: (256,1)(128,2)(64,4)(32,8)(16,16)

Answer 2

There are 2 factor pairs of 4.

1. 4 = 1 x 4
2. 4 = 2 x 2