Understanding factors and multiples

A factor is 

• a number that is multiplied by another number to find a product
• the product of a given number and any whole number.

1,3,7,9,21,63 are the factors of ................ ?

• 21

• 63

• 81

• 189

Identify all the factors of 10....

• 2

• 5

• 3

• 10

Find the factors of the number 36. A) 1, 2, 3, 4, 6, 9, 12, 18, 36 B) 1, 2, 4, 6, 9, 12, 18, 36 C) 1, 2, 3, 4, 6, 8, 9, 12, 18, 36 D) 1, 2, 3, 4, 6, 8, 10, 12, 18, 36

• D) 1, 2, 3, 4, 6, 8, 10, 12, 18, 36

• C) 1, 2, 3, 4, 6, 8, 9, 12, 18, 36

• B) 1, 2, 4, 6, 9, 12, 18, 36

• A) 1, 2, 3, 4, 6, 9, 12, 18, 36

What are all the factor pairs of 63? Select all that apply

• 1 x 63

• 8 x 6

• 10 x 6.3

• 9 x 7

• 3 x 21

How many factors does 7 have

• 2

• 1

• 7

• 14

The factors of number 6 are:

• 1, 2, 5, 6

• 1, 6

• 1, 2, 3, 6

• 1, 2, 3, 4, 5, 6

Which number is a factor of 21

• 8
• 9
• 6
• 3

What number below is a factor of 33

• 11

• 66

• 2

• 6

Answer explanation

11 is the only number that divides into 33 without leaving a remainder.

Is 8 a factor of 64?

• Yes

• No