What two number when multiplied equals 20 (twenty)?
From the aboves multiple we can see that 20 is a multiple of 6 numbers.
The numbers are 1, 2, 4, 5, 10, 20
These numbers are called the factors of 20.
2 x 5= 20
A prime number is a number that is divisible only by 1 and itself (without a remainder).
20 is not a prime number because it is divisible by other number than 1 and itself.
Lets learn factorization of other numbers.