What two number when multiplied equals 409 (four hundred nine)?
From the aboves multiple we can see that 409 is a multiple of 2 numbers.
The numbers are 1, 409
These numbers are called the factors of 409.
409= 409
A prime number is a number that is divisible only by 1 and itself (without a remainder).
409 is a prime number because it has only two factors 1 and itself.
Lets learn factorization of other numbers.