Question

What is the greatest common factor of 9, 36, and 27?

Answer 1

Answer:

9

Step-by-step explanation:

factors of 9 = 1 , 3, 9

factors of 36 = 1 ,2 , 3, 4, 6, 9, 18, 36

factors of 27 = 1 , 3, 9, 27

It is clear that the highest common factor is 9.

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Answer 2

Answer:

Greatest common factor of  $9 , 36$ and $27$  is $9$.

Step-by-step explanation:

To find : greatest common factor of  $9 , 36$ and $27$ .

Solution :  

• HCF is the highest common factor also called as greatest common divisor , ( GCD ).
• To find GCF of  $9 , 36$ and $27$  we find prime factors of these numbers
• Prime factors of $9 = 3\times 3$
• Prime factors of $36 = 2\times 2\times3\times 3$
• Prime factors of $27= 3\times 3\times 3$

• GCF of  $9 , 36$ and $27$ $= 3\times 3$

                                         = $9$