What's Another Definition for Prime and Composite Numbers?

A prime number must have 1 and itself as its ONLY factors
A composite number must have factors OTHER than 1 and itself
There are no factors of 19 besides 1 and 19, so 19 is prime
If a number is evenly divisible by another number, then the result of that division is an integer
2 is the smallest prime number, and is the only even prime number
3 goes into 21 evenly 7 times
21 has 7 and 3 as its factors, which makes 21 a composite number

1. A composite number must have factors OTHER than 1 and itself
1. If a number is evenly divisible by another number, then the result of that division is an integer
1. If a number is evenly divisible by another number, then the result of that division is an integer
2. 19/2 is equal to 9.5
1. If a number is evenly divisible by another number, then the result of that division is an integer
2. 19/3 is equal to 6 and 1/3
1. If a number is evenly divisible by another number, then the result of that division is an integer
2. 19/4 is equal to 4.75
1. A prime number must have 1 and itself as its ONLY factors
2. 2 is the smallest prime number
1. A prime number must have 1 and itself as its ONLY factors
2. A composite number must have factors OTHER than 1 and itself
1. If a number is evenly divisible by another number, then the result of that division is an integer
2. 7 is an integer
1. A composite number must have factors OTHER than 1 and itself

Definition: Prime and Composite Numbers