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