Prime and Composite Numbers

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 83=1,83

Composite Numbers Numbers that have more than two factors 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

Identify the type of number shown 15

Composite Number 15= 1,3,5,15

96

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

47

Prime Number 47 1, 47

93

Composite Number 93= 1,93 3,31

2

Composite Number 2= 2,1

54

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

57

Composite Number 57= 1,57 3,19

19

Prime Number 19= 1,19

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 a special number because it is not prime or composite