What is the purpose of finding the Lowest Common Multiple (LCM)?

Understanding LCM through Factor Trees

Interactive Video
•
Mathematics, Science
•
5th - 8th Grade
•
Hard

Sophia Harris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To find the smallest number that is a multiple of two or more numbers.
To find the sum of two numbers.
To find the largest number that divides two or more numbers.
To find the difference between two numbers.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in creating a factor tree for a number?
Circle the number.
Break the number into two factors.
Multiply the number by 2.
Divide the number by 3.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a prime factor of 12?
8
2
6
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the benefit of using a chart to organize prime factors?
It helps in organizing and visualizing the factors easily.
It increases the number of steps required.
It eliminates the need for calculations.
It makes the process more complicated.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many times should a prime factor be written in the chart if it appears twice in a column?
Not at all
Thrice
Once
Twice
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the next step after organizing the prime factors in the chart?
Divide the numbers by 2.
Add all the numbers together.
Multiply the numbers together.
Subtract the numbers.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the LCM of 12 and 24?
48
36
24
12
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