
Exploring Greatest Common Factor and Least Common Multiple

Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Hard
Standards-aligned

Ethan Morris
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a factor?
A number that is multiplied by an integer
A number that divides another number without leaving a remainder
A number that is added to another number
A number that is subtracted from another number
Tags
CCSS.4.OA.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a multiple of 6?
10
4
8
12
Tags
CCSS.4.OA.B.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the greatest common factor (GCF) of 12 and 36?
12
6
18
24
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method involves breaking a number into its prime factors?
Upside-down cake
Division ladder
Prime factorization
Listing out all factors
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the division ladder method, what is the first step?
Write out both numbers
Divide by the smallest common factor
Find the prime factors
List all multiples
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common multiple (LCM) of 12 and 36?
36
24
12
48
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which strategy is NOT used to find the LCM?
Subtraction method
Listing out multiples
Prime factorization
Division ladder
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