What two number when multiplied equals 4 (four)?
From the aboves multiple we can see that 4 is a multiple of 3 numbers.
The numbers are 1, 2, 4
These numbers are called the factors of 4.
2= 4
A prime number is a number that is divisible only by 1 and itself (without a remainder).
4 is not a prime number because it is divisible by other number than 1 and itself.
Lets learn factorization of other numbers.