1. L1-3 Notes: Prime Factors
Chapter 1
L1-3 Notes:
Prime Factors

2. Concept Summary Number Definition Examples Prime
A whole number that has exactly two factors, 1 and the number itself.
11, 13, 23
Composite
A number greater than 1 with more than two factors.
6, 10, 18
Neither Prime nor Composite
1 has only one factor.
0 has an infinite number of factors.
0 and 1

3. Examples Tell whether each number is prime, composite, or neither. 103 1 61

4. Prime Factorization
Every composite number can be expressed as a product of prime numbers. A factor tree can be used to find the prime factorization of a number.
              

5. Prime Factorization Find the Prime Factorization of each number. 36 8165 19