What two number when multiplied equals 15661 (fifteen thousand six hundred sixty one)?
From the aboves multiple we can see that 15661 is a multiple of 2 numbers.
The numbers are 1, 15661
These numbers are called the factors of 15661.
15661= 15661
A prime number is a number that is divisible only by 1 and itself (without a remainder).
15661 is a prime number because it has only two factors 1 and itself.
Lets learn factorization of other numbers.