What two number when multiplied equals 400 (four hundred)?
From the aboves multiple we can see that 400 is a multiple of 15 numbers.
The numbers are 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400
These numbers are called the factors of 400.
2 x 5= 400
A prime number is a number that is divisible only by 1 and itself (without a remainder).
400 is not a prime number because it is divisible by other number than 1 and itself.
Lets learn factorization of other numbers.