Quiz about Prime and Composite Numbers

Question 1

Prime numbers have:

Accepted Answer

Exactly 2 factors

Answer

2 pairs of factors

Answer

More than 2 factors

Answer

1 factor

Question 2

Composite numbers:

Accepted Answer

Have more than 2 factors

Answer

Are always bigger than prime numbers

Answer

Have 2 pairs of factors

Answer

Don't have factors

Question 3

Which number is composite?

Accepted Answer

21

Answer

11

Answer

13

Answer

23

Question 4

Which number is NOT a factor of 10?

Accepted Answer

3

Answer

1

Answer

2

Answer

5

Question 5

Which is a prime number?

Accepted Answer

17

Answer

15

Answer

21

Answer

39

Question 6

Is 100 a prime or composite number?

Accepted Answer

Composite

Answer

Prime

Question 7

What are all prime numbers divisible by?

Accepted Answer

1 and itself

Answer

1, 2, and itself

Answer

Every number from 1-10

Answer

They aren't divisable at all

Question 8

Which of the following equations will NOT result in a multiple of 5?

Accepted Answer

7 x 3 = _

Answer

11 x 5 = _

Answer

2 x 5 = _

Answer

6 x 5 = _

Question 9

Which of the following numbers shows all of the factors of 12?

Accepted Answer

1,2,3,4,6,12

Answer

1,2,3,4,6,8,12

Answer

1,2,4,6,12

Answer

2,4,6,8,10,12

Question 10

What are factors?

Accepted Answer

The numbers multiplied together to make a product.

Answer

The top number in a fraction.

Answer

The bottom number in a fraction.

Answer

Angles smaller than 90 degrees.

Question 11

How is a prime number different from a composite number?

Accepted Answer

Prime numbers have only 2 factors, and composite numbers have more than 2 factors.

Answer

Prime numbers are smaller than composite numbers.

Answer

Composite numbers are larger than prime numbers.

Answer

All odd numbers are prime numbers.

Question 12

Are all even numbers composite numbers?

Accepted Answer

No

Answer

Yes

Question 13

Which one is a prime number?

Accepted Answer

743

Answer

465

Answer

822

Answer

600

Question 14

Which one is prime?

Accepted Answer

71

Answer

100

Answer

455

Answer

182

Question 15

Which number below is NOT prime?

Accepted Answer

18

Answer

2

Answer

11

Answer

13

Question 16

Which of the following is a factor of 54?

Accepted Answer

9

Answer

4

Answer

7

Answer

5

Question 17

Is 3 a factor of 12?

Accepted Answer

yes

Answer

no

Question 18

Is 33 a prime or composite number?

Accepted Answer

Composite

Answer

Prime

Question 19

Is 81 prime or composite?

Accepted Answer

Composite

Answer

Prime

Question 20

What do we call the answer to a multiplication question?

Accepted Answer

product

Answer

sum

Answer

difference

Answer

quotient

Question 21

Which list has only prime numbers?

Accepted Answer

2, 3, 5, 7

Answer

2, 3, 4, 5

Answer

1, 5, 7, 9

Answer

2, 4, 6, 8

Question 22

Which list is only composite numbers?

Accepted Answer

4, 6, 8

Answer

1, 3, 4

Answer

2, 4, 6

Answer

5, 6, 8

Question 23

The only even prime number

Accepted Answer

2

Answer

24

Answer

1

Answer

4

Question 24

The sum of my ones digit and tens digit is 10. My ones digit is greater than my tens digit. I am a prime number less than 30. What number am I?

Accepted Answer

19

Answer

31

Answer

28

Answer

29

Question 25

Prime numbers between 10 and 20 are

Accepted Answer

11, 17,13,19

Answer

11,12,17,19

Answer

11,13,15,17

Answer

11,13,17,18

Question 26

Which is a NOT a factor of 9?

Accepted Answer

0

Answer

1

Answer

3

Answer

9

Question 27

Factors shared by two or more whole numbers are called

Accepted Answer

common factors

Answer

prime numbers

Answer

fractions

Answer

operations

Question 28

A factor is

Accepted Answer

a number that is multiplied by another number to find a product

Answer

the product of a given number and any whole number.

Question 29

the only factors prime numbers have are:

Accepted Answer

1 and itself

Answer

0 and 1

Answer

0 and itself

Answer

1

Question 30

Four students each made a list of prime numbers.
Eric: 5, 7 17, 23
Maya: 3, 5, 13, 17
Bella: 2, 3, 17, 19
Joan: 7, 11, 13, 21
Who made an error and included a composite number?

Accepted Answer

Joan

Answer

Eric

Answer

Maya

Answer

Bella

Question 31

I am a prime number between 30 and 40.  Which number could I be?

Accepted Answer

31

Answer

33

Answer

36

Answer

39

Question 32

One is a prime number

Accepted Answer

False

Answer

True

Question 33

One is

Accepted Answer

Neither

Answer

Prime

Answer

Composite

Question 34

Randy's house number is a composite number.  Which of the following could be Randy's house number?

Accepted Answer

39

Answer

29

Answer

59

Answer

79

Question 35

How many prime numbers are there between 1 and 100?

Accepted Answer

25

Answer

100

Answer

75

Answer

50

Question 36

Number 27 is both ...

Accepted Answer

odd and composite

Answer

even and composite

Answer

even and prime

Answer

odd and prime

Question 37

How many composite numbers are there from 1-100?

Accepted Answer

74

Answer

80

Answer

75

Answer

30

Question 38

Zero is

Accepted Answer

Neither

Answer

Prime

Answer

Composite

Question 39

Composite numbers have to be a product of a multiplication of at least two prime numbers. They also can have more factors either composite or prime.

Accepted Answer

True

Answer

False

Question 40

Numbers bigger than 5 ending in 0,2,4,5,6,8 cannot be prime numbers.

Accepted Answer

True

Answer

False

Question 41

All even numbers bigger than 2 (>2) are composite numbers

Accepted Answer

True

Answer

False

Question 42

Zero is not a composite number, because I cannot get a product from any multiplication of two or more prime numbers that will give me zero.

Accepted Answer

True

Answer

False

Question 43

If I add the digits of a number and I can divide the result by three without a remainder, then the number is divisible (can be divided) by three.

One example could be 15:

1+5=6 6 divides by 3 with no remainder this means 15 divides by 3 3x5=15

Is this true for all number whose digits sum up to a number divisible by 3?

Accepted Answer

Yes

Answer

No

Question 44

If I add the digits of a number and I can divide the result by 9 without a remainder, then the number is divisible (can be divided) by 9. Example 18: 1+8=9 (9 divides by 9, so 18 divides by nine). Does this work for all numbers where digits sum up to 9?

Accepted Answer

Yes

Answer

No

Question 45

If a number divides by 2 and by 3 it divides by 6.

Accepted Answer

True

Answer

False

Question 46

If a number divides by 3 and 4 it divides by 7

Accepted Answer

False

Answer

True

Prime and Composite Numbers

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