Question

Which of the following are factor pairs for 12?

Answer 1

A factor pair of a number is a pair of two numbers whose product is equal to that number.

`1\cdot12=12\Rightarrow \checkmark\\2\cdot4=8\Rightarrow \textsf{x}\\2\cdot6=12\Rightarrow\checkmark\\3\cdot4=12\Rightarrow \checkmark\\3\cdot5=15\Rightarrow \textsf{x}\\`