Prime and Composite

     Prime and Composite 

FaFactors are the numbers you multiply to get another number. 

Pr Pime numbers are the numbers that have only two factors. 

What are the factors of 3? 1 and 3 Because 3 has only two factors, it is a prime number. 

Composite numbers are the numbers that have more than two factors. 

What are the factors of 6? 1, 2, 3, and 6 Because 6 has more than two factors, it is a composite number. 

Complete the table: 

Number	Prime or composite	Factors
10	composite	1,2,5,10
5	Prime	1,5
12	Composite	6,2 1,12 3,4
18	Composite	1,18 9,9
4	Composite	2,4 1,4
11	Prime	1,11
24	Composite	12,2 24,1
97	Prime	97,1
73	Prime	73,1
33	prime	33,1
21	Prime	21,1