| A | B |
|---|
| Prime number | A natural number greater than 1 whose only factors are 1 and itself |
| Composite number | A natural number greater than 1 that is not prime |
| {1,2,3,...} | Natural numbers |
| {0,1,2,3,...} | Whole numbers |
| {...-2,-1,0,1,2,...} | Integers |
| {...-4,-2,0,2,4,...} | Even integers |
| {...-3,-1,1,3,...} | Odd integers |
| The set of natural numbers is a subset of the set of integers because | every natural number is also an integer |
|
