Name _________________________________ Date ______________________________ Class ______________
Prime and Composite Numbers
Definitions
1. A prime number has only two factors: 1 and itself.
2. A composite number has more than two factors.
3. The number 1 is neither prime nor composite.
We have determined if a single number is prime or composite. Let's look at a range of numbers to see if they are prime or
composite. Please note that each range of numbers given in Examples 3, 4 and 5 below are inclusive.