Question

hcf of 45 60 75 is solution is

Answer 1

15 is the ans. as 15 is the highest common factor between them ,so 15 is the ans.

Answer 2

HCF of 45 , 60 and 75 is 15

Given :

The numbers 45 , 60 and 75

To find :

HCF of 45 , 60 and 75

Solution :

Step 1 of 3 :

Write down the given numbers

The given numbers are 45 , 60 and 75

Step 2 of 3 :

Prime factorise the given numbers

45 = 3 × 3 × 5

60 = 2 × 2 × 3 × 5

75 = 3 × 5 × 5

Step 3 of 3 :

Find HCF of 45 , 60 and 75

We know that for the given two or more numbers HCF is the greatest number that divides each of the numbers

Hence the required HCF

= HCF of 45 , 60 and 75

= 3 × 5

= 15

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