Is 1123 a Prime Number?

Solution: 1123 is a prime number Methods Is 1123 a prime number? Let us begin by defining what a prime number is: a prime number is a number that is divisible by only itself and 1. Since we see that 1123 has only two factors, 1 and 1123, then we can come to the conclusion that 1123 is a prime number . Another way you can look at the problem is by the factors of 1123. By no coincidence, 1123’s factors are just 1 and 1123 (only just itself and 1), which is the definition of a prime number. Find out if these other numbers are prime too or not! When it comes to prime numbers, it’s best to learn about them through experience - so why not have a look and find out if any of these numbers are prime or not? Is 520 a Prime Number? Is 361 a Prime Number? Is 909 a Prime Number? Is 4055 a Prime Number? Is 2749 a Prime Number?