what is the GCF of 21, 24,27

Mathematics · Middle School · Mon Jan 18 2021

Answered on

Given that

21, 24, 27

Make a list of Prime Factors of all the given numbers initially

Prime Factorization of 21 is 3 x 7

Prime Factorization of 24 is 2 x 2 x 2 x 3

Prime Factorization of 27 is 3 x 3 x 3

Highest common occurrences in the given inputs are 3

Multiplying them we get the GCF as 3