What two number when multiplied equals 19 (nineteen)?
From the aboves multiple we can see that 19 is a multiple of 2 numbers.
The numbers are 1, 19
These numbers are called the factors of 19.
19= 19
A prime number is a number that is divisible only by 1 and itself (without a remainder).
19 is a prime number because it has only two factors 1 and itself.
Lets learn factorization of other numbers.