LCM
GCF
Listing Factors
Prime Factorization
Vocabulary/ Divisibility Rules
100
Find the LCM of 3 and 5
What is 15
100
GCF of 42 and 24
What is 6
100
List the factor pairs of 36
What is 1x36 2x18 3x12 4x9 6x6
100
In exponential form, what is the prime factorization of 56?
What is 7 x 2^3
100
A number is said to be this when it has more than 2 factors
What is composite
200
Find the LCM of 3, 4, and 6
What is 12
200
GCF of 17 and 36
What is 1
200
list the factor pairs of 50
What is 1x50 2x25 5x10
200
When a question mentions the phrase "prime factorization" or "prime factors," what method should you use to help solve the problem?
What is draw a factor tree
200
A number is said to be this when it has only 2 factors: 1 and itself
What is prime
300
Find the LCM of 5, 15, and 20
What is 60
300
GCF of 17 and 51
What is 17
300
List the factor pairs of 108
What is 1x108 2x54 3x36 4x27 6x18 9x12
300
In exponential form, what is the prime factorization of 180?
What is 3^2 x 2^2 x 5
300
"The sum of the numbers is a multiple of 3" is the divisibility rule for which number?
What is 3
400
What is the LCM of 7, 21, and 42?
What is 42
400
There are 16 boys and 12 girls in a class. They must be split into groups of equal numbers of students in each group. How many groups will be made, and how many boys and girls in each group?
What is 4 groups, 4 boys, 3 girls
400
List the factor pairs of 150
What is 1x150 2x75 3x50 5x30 6x25 10x15
400
What are the 2 ways to check to make sure your prime factorization answer is correct?
What is- 1) All factors (bases) must be prime numbers 2) Product must equal number at the top of tree
400
Is 4728 divisibile by: 2, 3, 4, 5, 6, 9, and 10? (list all that are true)
What is 2, 3, 4, 6
500
Find the LCM of 2, 5, 10, 11
What is 110
500
Students collected change for a charity fundraiser at school. They collected 64 quarters, 120 dimes, 40 nickles, and 32 pennies. If coins are split into equal stacks with the same number of quarters, dimes, nickles, and pennies in the each stack, how much money will be in each stack?
What is $3.28 8 quarters = $2.00 8 dimes = $0.80 8 nickles = $0.40 8 pennies = $0.08
500
List the factor pairs of 107
1 x 107
500
In exponential form, find the prime factorization of 2500
What is 5^4 x 2^2
500
What is the sum of the first 7 prime numbers?
What is 58
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