Factors, Multiples & Divisibility Quiz

Question 1

What are the factors of 12?

Accepted Answer

1, 2, 3, 4, 6, 12

Answer

2, 3, 4, 6

Answer

1, 2, 4, 6, 12

Answer

1, 3, 4, 6, 12

Question 2

Which of these numbers is a multiple of 7?

Accepted Answer

42

Answer

44

Answer

46

Answer

48

Question 3

The divisibility rule for 2 is: a number is divisible by 2 if it is ___.

Accepted Answer

An even number (ends in 0, 2, 4, 6, or 8)

Answer

Divisible by 4

Answer

An odd number

Answer

Its digits add up to an even number

Question 4

Is 135 divisible by 5? How can you tell without dividing?

Accepted Answer

Yes, because it ends in 5

Answer

No, because 135 is odd

Answer

No, because it does not end in 0

Answer

Yes, because its digits sum to 9

Question 5

What is the divisibility rule for 3?

Accepted Answer

The sum of the digits must be divisible by 3

Answer

The number must end in 3 or 6

Answer

The number must be odd

Answer

The last two digits must be divisible by 3

Question 6

How many factors does 16 have?

Accepted Answer

5

Answer

3

Answer

4

Answer

6

Question 7

Is 372 divisible by 9?

Accepted Answer

No

Answer

Yes

Answer

Only if divided by 3 first

Answer

Cannot tell without dividing

Question 8

What is the smallest number divisible by both 4 and 6?

Accepted Answer

12

Answer

8

Answer

10

Answer

24

Question 9

What is a factor pair?

Accepted Answer

Two factors of a number that multiply together to make that number

Answer

Two consecutive factors

Answer

Two prime factors

Answer

Two equal factors

Question 10

Which of these numbers is divisible by both 2 and 3?

Accepted Answer

42

Answer

21

Answer

34

Answer

55

Question 11

Is 1,000 divisible by 8? Use the divisibility rule for 8.

Accepted Answer

Yes

Answer

No

Answer

Only by long division

Answer

Only if it is also divisible by 4

Question 12

What are the common factors of 18 and 24?

Accepted Answer

1, 2, 3, 6

Answer

1, 2, 3, 4, 6

Answer

2, 3, 6

Answer

1, 3, 6, 9

Question 13

The divisibility rule for 10 is: a number is divisible by 10 if ___.

Accepted Answer

Both B and C (they are equivalent rules)

Answer

Its digit sum is 10

Answer

It is divisible by 2 and 5

Answer

It ends in 0

Question 14

Which of these is a multiple of both 3 and 4?

Accepted Answer

24

Answer

18

Answer

20

Answer

26

Question 15

How many multiples of 6 are there between 1 and 50?

Accepted Answer

8

Answer

6

Answer

7

Answer

9

Question 16

Is 4,321 divisible by 4?

Accepted Answer

No — the last two digits (21) are not divisible by 4

Answer

Yes — it ends in 1

Answer

Yes — its digit sum is divisible by 4

Answer

Cannot tell without dividing

Question 17

A factor of a number is always less than or equal to the number itself. What is the only number that is a factor of every positive whole number?

Accepted Answer

1

Answer

0

Answer

2

Answer

10

Question 18

What is special about a number that has exactly two factors?

Accepted Answer

It is a prime number

Answer

It is an even number

Answer

It is a square number

Answer

It is a multiple of 10

Question 19

What is the divisibility rule for 6?

Accepted Answer

The number must be divisible by both 2 and 3

Answer

The number must end in 6

Answer

The digit sum must be 6 or a multiple of 6

Answer

The last two digits must form a number divisible by 6

Question 20

Chairs need to be arranged in equal rows. There are 48 chairs. Which of these is NOT a possible number of rows?

Accepted Answer

7 rows of 7

Answer

6 rows of 8

Answer

8 rows of 6

Answer

12 rows of 4