TEST ON FACTORS AND MULTIPLES

Multiple Choice

zero is an even number

• true

• maybe

• false

Multiple Choice

Which of the following group have 36 as their common multiple?

• 4,9,12

• 2,5,6

• 1,8,9

Multiple Choice

which of the following number is a prime number?

• 21

• 33

• 23

Multiple Choice

Which of the following statement is true for 1

• it is a prime number

• it is a multiple of two

• it is a factors of any other number

Multiple Choice

A factor of a number can divide that number

• without a remainder

• to give you a whole number without a remainder

• to give you a whole number

Multiple Choice

All prime numbers are odd number

• true

• maybe

• false

Multiple Choice

A certain number is an even number as well as a prime number, what is the number?

• 5

• 7

• 2

Multiple Choice

Any number with only two factors is called?

• factor number

• prime number

• multiple number

Multiple Choice

The prime number between 15 and 25 are -------------

• 17,19,23

• 17,19,21,23

• 15,17,19,21,23,25

Multiple Choice

The lowest common multiple of 13 and 39 is ---------

• 13, 26,39

• 13,39

• 39

Multiple Choice

What is the smallest number which has 6, 8, and 12 as a factor

• 24

• 12

• 2,4

Multiple Choice

2³ + 3² = ?

• 72

• 12

• 15

Multiple Choice

Find the common factor of 12, 18, and 24

• 1, 2, and 6

• 2, 3 and 6

• 1, 2, 3 and 6

Multiple Choice

1 is a prime number

• false

• true

• maybe

Multiple Choice

What is the sum of factors of 12?

• 1,2,3,4, 6 and 12

• 28

• 1,2,3,4.6 and 12

Multiple Choice

Find the prime factors of 30

• 1, 2, 3, 5, 6, 10, 15 and 30

• 1, 2, 3, and 5

• 2, 3, and 5

Multiple Choice

Find the greatest common factor of 20 and 6?

• 1, 2, 3 and 6

• 2

• 3 and 6

Multiple Choice

What are the first five multiples of 7?

• 1,7

• 1,7,14,28,35

• 7,14,21,28,35

Multiple Choice

What are the first three common multiples 4 and 8?

Solution:

• 8, 16 and 24

• 4,8 and 16

• 8, 1.6 and 24

Multiple Choice

What are the factors of 9?

• 9,18,27,36,...

• 1,3,6,9, 18,...

• 1,3, and 9