What two number when multiplied equals 2155 (two thousand one hundred fifty five)?
From the aboves multiple we can see that 2155 is a multiple of 4 numbers.
The numbers are 1, 5, 431, 2155
These numbers are called the factors of 2155.
5 x 431= 2155
A prime number is a number that is divisible only by 1 and itself (without a remainder).
2155 is not a prime number because it is divisible by other number than 1 and itself.
Lets learn factorization of other numbers.