Show:
Factors
Multiples
Prime/Composite?
Prime Factorization
LCM/ GCF
100
What are the factors of the number 20?
1, 2, 4, 5, 10, 20
100
Find the first 3 multiples of the number 20.
20, 40, 60...
100
Prime or Composite: 28
28 is COMPOSITE (factors = 1, 2, 4, 7, 14, 28)
100

What is the prime factorization of 21?

3 x 7 = 21

100

Find the LCM of 10 and 30.

30

200
True or False: 4 is a factor of 48.
True
200
Find the first 4 multiples of 9
9, 18, 27, 36
200
Prime or Composite: 23
23 is PRIME (Factors = 1, 23)
200

What is the prime factorization of 50?

2 x 5 x 5= 50 

200

Find the GCF of 30 and 24.

6

300
What are the factors of the number 24?
1, 2, 4, 6, 8, 12, 24
300
What are the first 5 multiples of 12?

12, 24, 36, 48, 60 

300
Prime or Composite? 78

Composite

300

What is the prime factorization of 72? 

2 x 2 x 2 x 3 x 3 =72 

300

Find the LCM of 2 and 12.

12

400

What are the factors of 81?

1, 3, 9, 27, 81

400
Find the first 3 MULTIPLES of the number 16.
16, 32, 48...
400
Prime or Composite: 33
33 is composite (factors = 1, 3, 11, 33)
400

What is the prime factorization of 46?

2 x 23= 46

400

Find the GCF of 20 and 60

20

500
What are the factors of the number 36?
1, 2, 3, 4, 6, 9, 12, 18, 36
500
What are the first 3 MULTIPLES of the number 36?
36, 72, 108...
500

Prime or Composite? 31

Prime 

500

What is the prime factorization of 57? 

3 x 19 = 57

500

Find the GCF of 15 and 40

5