What two number when multiplied equals 16991 (sixteen thousand nine hundred ninety one)?
From the aboves multiple we can see that 16991 is a multiple of 4 numbers.
The numbers are 1, 13, 1307, 16991
These numbers are called the factors of 16991.
13 x 1307= 16991
A prime number is a number that is divisible only by 1 and itself (without a remainder).
16991 is not a prime number because it is divisible by other number than 1 and itself.
Lets learn factorization of other numbers.