Question

HCF of 8 ,9 ,25 is ​

Answer 1

Answer:

HCF of 8, 9, 25 = 1.

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Answer 2

Answer:

HCF of  $8 ,9 ,25$ is $1$.

Step-by-step explanation:

To find : HCF of  $8 ,9 ,25$ .

Solution :  

• HCF is the highest common factor also called as greatest common divisor ,( GCD ).
• To find HCF of 8 ,9 ,25 , we find prime factors of these numbers .Further we take highest common factor from both numbers , writing it separately.  
• Prime factors of $8 = 1\times 2\times 2\times2$

• Prime factors of $9 = 1\times 3\times3$

• Prime factors of $25= 1\times 5\times 5$

• HCF of  $8 ,9 ,25$ $= 1$