Today we learnt about multiples, factors and prime numbers. A prime number can only be divided by itself and 1. like 2 is a factor of 4. A factor is a number that divides into another number like 2 is a factor of 4. A multiple is when there’s a number you times by like 4 x 2 = 8, we add 4 onto the number to it can go up and up and up.