Prime and Composite Numbers

1
Prime and Composite Numbers
2
Prime Numbers

• These are numbers that have only two factors
  themselves and one.
• An example of Prime Numbers would be
• 3 1,3 17 1,17 831,83

3
Composite Numbers

• Numbers that have more than two factors
• and yes one is included
• An example of composite numbers would be 12
  1,12 2,6 3,4
• 36 1,2,3,4,6,9,12,18,36
• 20 1,2,4,5,10,20

4
Identify the type of number shown

• 15

5

• Composite Number
• 15
• 1,3,5,15

6

• 96

7

• Composite Number
• 96
• 1,96 2,38 3,32 4,24 6,16 8,12,

8

• 47

9

• Prime Number
• 47
• 1, 47

10
93
11

• Composite Number
• 93
• 1,93 3,31

12

• 2

13

• Prime Number
• 2
• 2,1

14

• 54

15

• Composite Number
• 54
• 1,54 2,27 3,18 6,9

16

• 57

17

• Composite Number
• 57
• 1,57 3,19

18

• 19

19

• Prime Number
• 19
• 1,19

20

• Prime Numbers Have only two factors --
  itself and one 17 23 47 59
• Composite Numbers have more than 2 factors 22,
  50, 88, 100
• One is neither