Factors and Multiples(Study by Topics Junior Class Test) : GATE Academy

Welcome to your Factors and Multiples(Study by Topics Junior Class)

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EMAIL

PHONE NUMBER

1.

What are the first three prime numbers?

0, 1, 2

1, 2, 3

None of the above

2, 3, 5

2.

Which of the following correctly lists the factors of the number 28?

1,2,3,4,5

1,28

1,2,4,7,14,28

2,4,7,14

3.

How many factors does a Prime number have?

1

4

3

2

4.

The number 1 is _______

A Composite number

A Prime number

Neither a Prime or Composite number

Both a Prime and Composite number

5.

The numbers 20 and 30 have no common factors

True

False

6.

The sixth multiple of nine is..

69

15

45

54

7.

The factors of 36 include...

1, 6, 36

12, 15, 36

1, 13, 18

2, 4, 8

8.

The highest common factor (HCF) of 10 and 20 is

4

5

2

10

9.

Find the LCM of 6ab and 5b².

3ab²

30ab²

30b²

36ab²

6ab

10.

Which of the following is a multiple of 16?

27

8

64

88

11.

The factors of 24 include

1, 8, 12

15, 30, 48

1, 5, 12

1, 6, 9

12.

Which of the following are factors of 1710?

2,3,5,10

2,4,5,10

2,3,5,8,10

2,5,7,10

13.

9 is a factor of...

45 and 54

9 and 49

28 and 82

1, 3 and 9

14.

Which number is a factor of 111?

3

21

11

9

15.

Which number below is a common factor of both 24 and 36?

9

5

7

12

16.

Seven is a factor of...

1, 7 and 14

14, 27 and 72

37, 47 and 57

21, 28 and 42

17.

The factors of 35 are

1, 2, 4, 7, 35

1, 3, 5, 35

1, 5, 7, 35

5, 15, 20, 35

18.

A factor tree is a great way for us to find the prime factors, or prime factorization, of a number.

False

True

19.

How many multiples does 10 have?

4

100

9

An infinity

20.

What is the greatest common factor of 12 and 18?

6

4

2

9