The prime factors of 12 are 2 and 3. A prime number is a number greater than 1 that cannot be divided by any number except itself and 1. Both 2 and 3 are prime factors of 12 because they are prime numbers that can be div...
A factor string is a whole number written as a multiplication problem with two or more factors other than one, according to the Southampton Public Schools. For example, 3 x 3 x 3 is a factor string for the 27.