H.C.F of 45, 30 and 15 is

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Solution

The correct option is C
15

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

Factors of 30 = 1, 2, 3, 5, 6, 10, 15, 30

Factors of 15 = 1, 3, 5, 15

Clearly, highest common factor = 15

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Similar questions

H C F

of co-prime numbers

4

and

15

was found as follows by factorisation:

4 = 2 \times 2

and

15 = 3 \times 5

Since there is no common prime factor,

H C F

4

and

15

0

. Is the answer correct? If not, what is the correct

H C F

Question 3

HCF of co-prime numbers 4 and 15 was found as follows by factorization: $4 = 2 \times 2$ and $15 = 3 \times 5$ . Since there is no common prime factor, so HCF of 4 and 15 is 0. Is the answer correct? If not, what is the correct HCF?

Find the HCF of 15 and 30

Q. Find HCF:

15, 25

and

35

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H.C.F of 45, 30 and 15 is

The correct option is C 15 Factors of 45 = 1, 3, 5, 9, 15, 45 Factors of 30 = 1, 2, 3, 5, 6, 10, 15, 30 Factors of 15 = 1, 3, 5, 15 Clearly, highest common factor = 15

The correct option is C
15

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

Factors of 30 = 1, 2, 3, 5, 6, 10, 15, 30

Factors of 15 = 1, 3, 5, 15

Clearly, highest common factor = 15