Factors/Multiples
Prime Factorization
LCM/GCF
Long Division
Word Problems
100
Is 7 a factor of 42?
Yes 7X6=42
100
List the prime numbers less than 20 (There are 8)
2, 3, 5, 7, 11, 13, 17, 19
100
Find the GCF of 15 and 35.
5
100
456 divided by 3
152
100

Morris High School is setting up chairs for graduation for 300 people. Which of the following will not provide enough seating? A. 10 rows of 30 chairs B. 6 rows of 50 chairs C. 12 rows of 20 chairs D. 5 rows of 60 chairs

C. 12 rows of 20 chairs

200
List the first 8 multiples of 6.
6, 12, 18, 24, 30, 36
200
What is the prime factorization of 48
2x2x2x2x3
200
Find the LCM of 6 and 8.
24
200

What is 542 divided by 21 (Write remainder as a fraction)

25 and 17/21

200

The GCF of two numbers is 8. Which of the following could NOT be the two numbers? A. 8 and 16 B. 16 and 32 C. 16 and 24 D. 24 and 32

B. 16 and 32

300
Is 9 a multiple of 54?
No!!! 9 is a factor of 54
300
What is the prime factorization of 72
2x2x2x3x3
300
What is the GCF of 28 and 70?
14
300

What is 1190 divided by 25? (Write answer as a decimal)

47.6

300

Mrs. Christopher has 2 classes. One class has 32 students and the other class has 36 students. If she wants to put her students into equal groups. What are the biggest groups she can make?

4

400
List ALL the factors of 72
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
400
Write the prime factorization of 150
2x3x5x5
400
LCM of 3, 4, and 5
60
400

What is 1728 divided by 32?

54

400

The 6th grade math teachers at HVMS have $4,425 to buy cases pencils. If a case of pencils costs $45. How many cases of pencils can they buy?

98 cases of pencils 


They will have $15 leftover.

500
What is the difference between a factor and a multiple?
A factor is a number that is multiplied by another number to get a product. A multiple of a number is the product of the number and any nonzero whole number. (Example: 5 is a factor of 20 (20/5=4). 20 is a multiple of 5 (5x4=20))
500
Write the prime factorization of 320
2x2x2x2x2x2x5
500
Find the GCF of 27, 45, and 63.
9
500

What is 41,796 divided by 43?

972

500

Mr. Fein and Mrs. McCormack go to the track to work out. It takes Mr. Fein 12 minutes to ride his bike one lap. Mrs. McCormack scooters around the track in 14 minutes. If they begin their laps at the same time, how many minutes will it take for them to be at the starting point together again?

84 minutes

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