Question

HCF OF 36, 54, 138.prime factor method

Answer 1

36 = 2 × 2 × 3 × 3
54 = 2 × 3 × 3 × 3
138 = 2 × 3 × 23

HCF = 2 × 3
= 6

$\huge{6}$

Answer 2

HCF of 36 , 54 and 138  is 6

Step-by-step explanation:

Numbers are 36 , 54 and 138

HCF :

2 | 36           2 | 54       2 | 138

2 | 18            3 | 27       3 | 69

3 | 9             3 | 9        23 | 23

3 | 3              3 | 3             | 1

  |  1                 | 1

$36 = 2 \times 2 \times 3 \times 3\\54 = 2 \times 3 \times 3 \times 3\\138 = 2 \times 3 \times 23 \\HCF = 2 \times 3 = 6$

Hence HCF of 36 , 54 and 138  is 6

#Learn more:

find the lcm and hcf of 54 and 105 by prime factorization method​

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