MULTIPLES AND FACTORS

Which of the following is not a factor of 48

• 6

• 7

• 12

• 48

Which of the following is a prime number?

• 91

• 57

• 97

• 81

The LCM of 10 , 20 , 25 is ___

• 20

• 50

• 75

• 100

The Prime Factorization of 36 is __

• 4 X 3 X3

• 2 X 2 X 9

• 12 X 3

• 2 X 2 X 3 X 3

Least multiple of 65 is __

• 65

• 56

• 130

• 60

How many even numbers are there between 20 and 50 ?

• 12

• 13

• 14

• 15

Prime numbers between 50 and 70 are ________

• 53 , 59 , 61

• 53 , 59 ,61 , 67

• 53 , 59

• 53 , 61

Three odd multiples of 3 are _____

• 3 , 6 , 9

• 3 , 9 , 12

• 3 , 9 , 15

• 3 , 9 , 18

Fifth multiple of 9

• 45

• 54

• 36

• 18

48 has _____ factors.

• 10

• 8

• 7

• 6