What two number when multiplied equals 1646 (one thousand six hundred forty six)?
From the aboves multiple we can see that 1646 is a multiple of 4 numbers.
The numbers are 1, 2, 823, 1646
These numbers are called the factors of 1646.
2 x 823= 1646
A prime number is a number that is divisible only by 1 and itself (without a remainder).
1646 is not a prime number because it is divisible by other number than 1 and itself.
Lets learn factorization of other numbers.