Show:
Factors
Multiples
Prime/Composite?
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 LCM of 5 and 10 

LCM = 10

100

What is the greatest common factor of 12 and 3

GCF = 3 

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 LCM of 8 and 12

LCM = 24

200

What is the GCF of 20 and 35?

GCF = 5 

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 LCM of 12 and 15

LCM = 60 

300

What is the GCF of 16 and 24? 

GCF = 8

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

What is the LCM of 20 and 60?

LCM = 60

400

What is the GCF of 30 and 42?

GCF = 6

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

What is the LCM of 18 and 9?

LCM = 18

500

What is the GCF of 32 and 48? 

GCF = 16