What two number when multiplied equals 1997 (one thousand nine hundred ninety seven)?
From the aboves multiple we can see that 1997 is a multiple of 2 numbers.
The numbers are 1, 1997
These numbers are called the factors of 1997.
1997= 1997
A prime number is a number that is divisible only by 1 and itself (without a remainder).
1997 is a prime number because it has only two factors 1 and itself.
Lets learn factorization of other numbers.