What are the factors of 16

• 1,8,5,3,9,16

• 1,3,4,8,16

• 16,2,1,8,4

• 9,16,1,11,8

What is a factor?

• It is a fact

• It is a food

• Factors are numbers which you can divide together to get another number

• Factors are numbers which you can multiply together to get another number

Choose a number that is a factor of 18 and 48.

• 12

• 6

• 8

• 9

Every number is the biggest factor of itself.

• True

• False

3 is a factor of 21 the 21 divided by 3 leaves what remainder?

• 1

• 0

• 3

• 2

What are the factors of 686

• 8,9,5,686

• 7,8,9,8667

• 1, 2, 7, 14, 49, 98, 343, 686.

• 78,5,9,8

How many factors are in a prime number?

• 1

• 2

• 4

• 5

What are the factors of 100?

• 1, 2, 4, 5, 10, 20, 25, 50,100

• 8,29,5,9,10

• 100, 1, 2, 4, 5, 10, 21, 25

• 9,10,11,12,8

Which pairs is a factor of 6?

• 3 and 2

• 5 and 1

• 9 and 3

• 3 and 3

How many factors are in 44

• 6

• 2

• 9

• 44