H-C-F of 45- 81 and 27 is -1-45-27-9-

The correct option is D 9 Factors of 45 = 1, 3, 5, 9, 15, 45 Factors of 81 nbsp;= 1, 3, nbsp;9, 27, 81 Factors of 27 nbsp;= 1, 3, 9, 27 ∴ The common fac ...

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Standard VI

Mathematics

HCF by Prime Factorization

H.C.F of 45, ...

Question

H.C.F of 45, 81 and 27 is _____.

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Solution

The correct option is C
9

Factors of 45 = 1, 3, 5, 9, 15, 45

Factors of 81 = 1, 3, 9, 27, 81

Factors of 27 = 1, 3, 9, 27

$∴$ The common factors of 45, 81 and 27 are 1, 3 and 9.

So, the H.C.F of 45, 81 and 27 = 9.

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Similar questions

Q. The HCF of two numbers is 27 and their LCM is 162. If one of the numbers is 54, what is the other number?

(a) 36
(b) 45
(c) 9
(d) 81

The HCF of two numbers is 27 and their LCM is 162. If one of the numbers is 54, what is the othe number ?

(a) 36 (b) 45 (e) 9 (f) 81

D is the hcf of 45 and 27 find x and y satisfying d=27x+45y

Q. H.C.F of 45, 81 and 27 is _____.

1, 3, 9, 27, 81

is a

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H.C.F of 45, 81 and 27 is _____.

The correct option is C 9 Factors of 45 = 1, 3, 5, 9, 15, 45 Factors of 81 = 1, 3, 9, 27, 81 Factors of 27 = 1, 3, 9, 27 ∴ The common factors of 45, 81 and 27 are 1, 3 and 9. So, the H.C.F of 45, 81 and 27 = 9.

The correct option is C
9

Factors of 45 = 1, 3, 5, 9, 15, 45

Factors of 81 = 1, 3, 9, 27, 81

Factors of 27 = 1, 3, 9, 27

$∴$ The common factors of 45, 81 and 27 are 1, 3 and 9.

So, the H.C.F of 45, 81 and 27 = 9.