What two number when multiplied equals 3921 (three thousand nine hundred twenty one)?
From the aboves multiple we can see that 3921 is a multiple of 4 numbers.
The numbers are 1, 3, 1307, 3921
These numbers are called the factors of 3921.
3 x 1307= 3921
A prime number is a number that is divisible only by 1 and itself (without a remainder).
3921 is not a prime number because it is divisible by other number than 1 and itself.
Lets learn factorization of other numbers.