What two number when multiplied equals 18991 (eighteen thousand nine hundred ninety one)?
From the aboves multiple we can see that 18991 is a multiple of 4 numbers.
The numbers are 1, 7, 2713, 18991
These numbers are called the factors of 18991.
7 x 2713= 18991
A prime number is a number that is divisible only by 1 and itself (without a remainder).
18991 is not a prime number because it is divisible by other number than 1 and itself.
Lets learn factorization of other numbers.