What two number when multiplied equals 31 (thirty one)?
From the aboves multiple we can see that 31 is a multiple of 2 numbers.
The numbers are 1, 31
These numbers are called the factors of 31.
31= 31
A prime number is a number that is divisible only by 1 and itself (without a remainder).
31 is a prime number because it has only two factors 1 and itself.
Lets learn factorization of other numbers.