Math, asked by Sanjeetsd7418, 7 months ago

What is the H.C.F of 45,60 and 90

Answers

Answered by ommishralmp2005
7

Step-by-step explanation:

45=3×3×5

60=2×2×3×5

90=2×3×3×5

it is clear from factorisation that 3&5are common.

Hence,15 is the HCF.

Answered by pulakmath007
1

SOLUTION

TO DETERMINE

The HCF of 45 , 60 , 90

EVALUATION

Here the given numbers are 45 , 60 , 90

We now prime factorise the given numbers

45 = 3 × 3 × 5

60 = 2 × 2 × 3 × 5

90 = 2 × 3 × 3 × 5

Hence the required HCF

= The highest common factor

= 3 × 5

= 15

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