What two number when multiplied equals 815 (eight hundred fifteen)?
From the aboves multiple we can see that 815 is a multiple of 4 numbers.
The numbers are 1, 5, 163, 815
These numbers are called the factors of 815.
5 x 163= 815
A prime number is a number that is divisible only by 1 and itself (without a remainder).
815 is not a prime number because it is divisible by other number than 1 and itself.
Lets learn factorization of other numbers.