## Elementary Math (K-6th) Tutorial

#### Intro

Prime numbers are numbers that can be divided by 1 and itself. 1 is not a prime number since it is only divided by 1. It has to have only two factors. For example, 8 is not a prime number because it has more than two factors. We call this a composite number, which has more than two factors, which includes 1 and by itself as factors as well. There are infinite numbers of prime numbers or numbers that go on forever. Trying to choose which one is a prime number is like draining water from the pasta.

#### Sample Problem

What are the numbers from 1 to 100 are actually prime numbers?

#### Solution

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97

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