Question

Find the HCF of 165, 225

(don't give irrelevant answers) ​

Answer 1

Answer:

Answer is

Step-by-step explanation:

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Answer 2

Answer:

15

Step-by-step explanation:

prime factorisation of 165 =3×11×5

prime factorisation of 225=3×3×5×5

to find HCF we need to multiply comman prime factors of of 165 and 225

the cammon factors are 3,5

3×5=15

therefore HCF is 15