SBP-Program

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Highest common factor of 15 and 27

How to find the highest common factor of 15 and 27?

Find the hcf of 15 and 27

Problem. Find the highest common factor of 15 and 27.

Solution.

The prime factorization of 15

15 = 3 * 5

See 15 prime factorization.

The prime factorization of 27

27 = 3 * 3 * 3

See 27 prime factorization.

Find the common prime factors of 15 and 27

15 –> (3, 5)
27 –> (3, 3, 3)

The common factors of 15 and 27 are

3

The hcf of 15 and 27 is 3

hcf(15, 27) = 3

The problem is solved.