# Ch. 4 Section A Quiz

10 Questions | Total Attempts: 267  Settings  You will need scratch paper to show your work on.

• 1.
240 is NOT divisibile by which of the following
• A.

4

• B.

6

• C.

5

• D.

9

• 2.
What type of number is 19?
• A.

Prime

• B.

Negative

• C.

Composite

• D.

Even

• 3.
What type of number is 51?
• A.

Prime

• B.

Negative

• C.

Composite

• D.

Even

• 4.
True or False. All even numbers are composite.
• A.

True

• B.

False

• 5.
True or False. Most of the numbers in our number system are Prime.
• A.

True

• B.

False

• 6.
True or False. All of 4's multiples are even numbers.
• A.

True

• B.

False

• 7.
Ture or False. A number that ends with a zero or five is divisible by 10.
• A.

True

• B.

False

• 8.
Be sure to show your work on a seperate sheet of paper. List the factors of 20
• A.

2, 4, 6, 8

• B.

1, 2, 5, 10, 20

• C.

1, 2, 4, 5, 10, 20

• D.

20, 40, 60, 80 ....

• 9.
Show work on a seperate sheet of paper. Find the greatest common factor between 12 and 16
• A.

1

• B.

2

• C.

4

• D.

6

• 10.
Show work on a seperate sheet of paper. Write the prime factorization for 81.
• A.

3 x 9 x 3

• B.

3 x 3 x 3

• C.

3 x 3 x 3 x 3

• D.

9 x 9 Back to top