Question

(g) find the hcf of 136, 170, 255 in prime factorization method​

Answer 1

Answer:

The HCF of 136, 170 and 255 is 17.

Step-by-step explanation:

Given values :

136.

170.

255.

To Find :

HCF of 136, 170 and 255 by the prime factorization method​.

Solution :

We have to factorize the numbers first so,

★ 136 :

★ 170 :

★ 255 :

Now, Write the factors together,

★ 136 = 2 × 2 × 2× 17✔️

★ 170 = 2× 5 × 17✔️

★ 255 = 3 × 5 × 17✔️

In these factors the common number is 17.

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Answer 2

Step-by-step explanation:

Prime factor of 136 = 2,2,2 and 17

Prime factor of 170 = 2,5 and 17

Prime factor of 255 = 3,5 and 17

common factor of 136,170 and 255 is 17

so, HCF of 136 , 170 and 255 is 17

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