SBP-Program

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Highest common factor of 14 and 21

How to find the highest common factor of 14 and 21?

Find the hcf of 14 and 21

Problem. Find the highest common factor of 14 and 21.

Solution.

The prime factorization of 14

14 = 2 * 7

See 14 prime factorization.

The prime factorization of 21

21 = 3 * 7

See 21 prime factorization.

Find the common prime factors of 14 and 21

14 –> (2, 7)
21 –> (3, 7)

The common factors of 14 and 21 are

7

The hcf of 14 and 21 is 7

hcf(14, 21) = 7

The problem is solved.