Preparing For Factoring

Which number below is not a factor

of 50?

• 2

• 4

• 5

• 10

Which number below is a multiple

of 6?

• 15

• 22

• 31

• 36

Which number below is a factor of

30, but is not a multiple of 3?

• 6

• 15

• 8

• 10

Which number below is a factor of

48, but is not a multiple of 4?

• 12

• 11

• 6

• 8

In Mrs. Johnson’s class, the students

took a survey of their favorite subject.

The number of students who voted for

math is a multiple of 2 and 3. How many

students could have voted for math?

• 15 students

• 16 students

• 18 students

• 19 students

Emerson invited some of her friends to

spend the night for her birthday party. The

number of friends she invited is a multiple

of 4. How many friends could Emerson have

invited to her birthday party?

• 10 friends

• 12 friends

• 13 friends

• 14 friends

On a beautiful sunny day, there are many

sailboats on the lake. The number of

sailboats is a multiple of 2 and 7. How many

sailboats are on the lake?

• 21 boats

• 28 boats

• 35 boats

• 38 boats

Which numbers are factors of the number 45? (You can select more than one answer)

• 9

• 15

• 2

• 5

• 8

Select all the numbers that are factors of 20.

• 10

• 4

• 8

• 2

• 1

Which number is NOT a factor of 42?

• 6

• 2

• 12

• 7