Characteristics of Numbers Review

Factors and Multiples

100

What are the factors of 12?

1, 2, 3, 4, 6, 12

200

List the first 5 multiples of 8

8, 16, 24, 32, 40

300

What are the factors of 48?

1 x 48

2 x 24

3 x 16

4 x 12

6 x 8

LCM or GCF

100

What is the GCF of 8 and 12?

4

200

What is the LCM of 5 and 12?

60

300

What is the GCF of 24 and 32?

8

400

What is the LCM of 6 and 8?

24

500

Johnny sells pizzas that he cuts into 6 slices.  Danny sells pizzas that he cuts into 16 slices.  If they sold the same number of slices today, what is the smallest number of pieces they sold?

48

Prime and Composite

100

Is 1 and prime number or composite number?

Neither, only one factor.

200

Is 51 a prime number?

No, 1 x 51 and 3 x 17

300

List the prime numbers between 0-20

2,3,5,7,11,13,17,19

Prime Factorization

100

What is the prime factorization of 15?

3 x 5

200

What is the prime factorization of 56?

2x2x7

300

How do you represent the number 36 using prime factorization?

2x2x3x3 or 2² x 3²

400

What is the prime factorization of 175?

5x5x7