- A prime number is a natural number that has two factors, 1 and itself
- Because 1 has only one factor, 1, it is NOT a prime number
- Prime Numbers less than 50: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47
- There are an infinite number of prime numbers
- The product of two or more prime numbers is a composite number
- Prime Factorization of a composite number identifies those prime numbers
- The video below provides a good explanation on how to find prime numbers