Show:
Factors
Multiples
Prime/Composite?
LCM
Multiplication/Division
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

LCM of 6 and 8

LCM is 24

100

What is 78 x 7?

78 x 7 = 546

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

LCM of 2 and 3

LCM is 6

200
What is 284 x 7?
284 x 7 = 1988
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

LCM of 5 and 7

LCM is 35

300
What is 76 x 23?
76 x 23 = 1748
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

LCM of 5 and 10

LCM is 10

400

What is 64/4?

16

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

LCM of 8 and 9

LCM is 72

500
What is 347 x 26?
347 x 26 = 9022