Question

find the HCF of the following numbers .25,45,60

Answer 1

The HCF of 25, 45 and 60 is 5.

Answer 2

Answer:

HCF of $25, 45, 60$  is  $5$.

Step-by-step explanation:

To find : HCF of $25, 45, 60$

Solution :  

• HCF is the highest common factor also called as greatest common divisor ,( GCD ).
• We find HCF of $25, 45, 60$  by using prime factorization method . We find prime factors of these numbers .
• Prime factors of $25 = 5\times 5$
• Prime factors of $45 =3\times 3\times5$
• Prime factors of $60 = 2\times 2\times 3\times5$
• HCF of $25, 45, 60$ = $5$