What two number when multiplied equals 19821 (nineteen thousand eight hundred twenty one)?
From the aboves multiple we can see that 19821 is a multiple of 4 numbers.
The numbers are 1, 3, 6607, 19821
These numbers are called the factors of 19821.
3 x 6607= 19821
A prime number is a number that is divisible only by 1 and itself (without a remainder).
19821 is not a prime number because it is divisible by other number than 1 and itself.
Lets learn factorization of other numbers.