mavii

A factor is a number which divides into another number, without leaving a remainder. Factors should be whole, positive numbers. Factors always come in pairs. This pair will always multiply ...

11 is a prime number because the only factors of 11 are 1 and 11 (\(1 \times 11 = 11\)). No other whole numbers can multiply together to make 11. 15 is not a prime number because the factors of 15 ...