Prime Time Review

Factors

100

What factor is 4 paired with to get an answer of 28?

7

200

These are all of the factors of the number 24.

What are 1, 2, 3, 4, 6, 8, 12, 24?

300

These are the factors of the number 23.

What are 1, 23?

400

These are all the factors of 45

1,3,5,9,15,45

500

These are ALL of the factors of 100.

What are 1, 2, 4, 5, 10, 20, 25, 50, 100?

Multiples

100

Is 72 a multiple of 9?

Yes

200

List the first 5 multiples of the number 4.

What is 4, 8, 12, 16, 20?

300

These are the first 5 multiples of the number 12.

What are 12, 24, 36, 48, 60?

400

24, 36, 42, 48, 60 are multiples to this number.

What is 6?

500

What two numbers can 15 be a multiple of? (besides 1 and 15)

3,5

GCF/LCM

100

This is the name for the highest number that is a factor of two or more numbers.

Greatest Common Factor, GCF

200

This is the name for the smallest multiple that 2 or more numbers have in common

What is the LCM or Least Common Multiple?

300

This is the LCM of 6 and 12.

What is 12?

400

This is the GCF of 48 and 72?

What is 12?

500

This is the greatest common factor of 8 and 12. This is the least common multiple of 8 and 12. 

GCF: 4 LCM: 24