What two number when multiplied equals 9 (nine)?
From the aboves multiple we can see that 9 is a multiple of 3 numbers.
The numbers are 1, 3, 9
These numbers are called the factors of 9.
3= 9
A prime number is a number that is divisible only by 1 and itself (without a remainder).
9 is not a prime number because it is divisible by other number than 1 and itself.
Lets learn factorization of other numbers.