
Finding GCF and LCM through Prime Factorization

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

Mia Campbell
Used 9+ times
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of using prime factorization for finding GCF and LCM?
It simplifies the process for larger numbers.
It is the only method available.
It is faster for smaller numbers.
It avoids the need for multiplication.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the prime factors of 63?
1, 63
7, 9
3, 3, 7
3, 21
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the GCF of 63 and 84?
7
21
63
3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a prime factor of 48?
24
6
12
2
Tags
CCSS.4.OA.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the GCF of 48 and 72?
48
36
24
12
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the prime factors of 15?
5, 3, 1
15, 1
3, 5
3, 3, 5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the LCM of 15 and 27?
45
90
135
270
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