Factors
Multiples
Prime/Composite?
GCF
LCM
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 GCF of 12 and 8?

4

100

What is the LCM of 6 and 5?

30

200
True or False: 4 is a factor of 48.
True
200
What is a MULTIPLE?
Multiples are the numbers we find when we SKIP COUNT.
200
Prime or Composite: 23
23 is PRIME (Factors = 1, 23)
200

What is the GCF of 30 and 45?

15
200

Give the first 3 common multiples of 6 and 8

24,48,72

300
What are the factors of the number 24?
1, 2, 4, 6, 8, 12, 24
300
True or False: 4 is a multiple of 20.
FALSE. 4 is a FACTOR of 20.
300
What is a PRIME number?
A prime number has only 2 factors, 1 and itself
300

What is the GCF of 32 and 48?

8
300

Give the sum of the first 2 common multiples of 9 and 12

36 + 72 = 108

400
What are FACTORS?
Factors are the numbers multiplied together to find a product. Also acceptable: A factor is a number that fits evenly into another number.
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
An EVEN number plus an ODD number will always be ________________.
EVEN + ODD = ODD
400

What is the LCM of 12 and 15?

60

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
The ONLY even prime number is ______
2
500

An ODD multiplied by an even number is _________ number

even number

500

What is the product of the GCF and LCM of 8 and 12.

4 x 24 = 96

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