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