
Understanding Least Common Multiple through Prime Factorization

Interactive Video
•
Mathematics
•
6th - 7th Grade
•
Hard
Nancy Jackson
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in finding the least common multiple of two numbers using the prime factorization method?
Add the numbers together
Find the prime factors of each number
Multiply the numbers directly
Divide the numbers by their greatest common divisor
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When aligning the prime factors of two numbers, what should you do if a prime factor appears more than once?
Write it down multiple times
Ignore it completely
Write it down only once
Multiply it by itself
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to align the same prime factors vertically when calculating the LCM?
To ensure all factors are included
To make the calculation easier
To simplify the subtraction process
To avoid mistakes in addition
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying 2 * 2 * 2 in the process of finding the LCM?
6
10
4
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common multiple of 104 and 76?
1,500
1,024
1,976
2,048
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