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Prime Factors, GCF & LCM Quiz

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Prime Factors, GCF & LCM Quiz

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Prime factors, GCF & LCM

Created by

Mohamed Salam
Mohamed Salam
Egypt

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Prime Factors, GCF & LCM Quiz
 

Prime Factors, GCF & LCM QuizOnline version

Prime factors, GCF & LCM

by Mohamed Salam
1

Factorize 60 into its prime factors.

2

What is the GCF of 18 and 24?

3

Find the LCM of 14 and 20.

4

Are 15 and 28 relatively prime?

5

LCM of 9 and 12?

6

Why are 8 and 27 relatively prime? Because, ................

Feedback

Prime factors are 2,3,5 with correct counts.

GCF is the largest common factor.

LCM uses all prime factors max powers.

GCD is 1 if no common prime factors.

LCM combines prime powers: 3^2 and 2^2.

If there's no common prime factors G.C.F = 1

 
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