Online animation provides an introduction to prime and composite numbers. *4*Math lesson also provides limited sample questions at the end of the topic.*4**4**1*PRIME AND COMPOSITE NUMBERS*2*Explains a prime number has two factors. This means it can only be divided by 1 and itself.*4*Explains a composite number has more than two factors.*4*Explains that 1 is not a prime number because it can only be divided by itself.*4**4**4*Useful for teachers of maths.