Question

What are the common factors of 15, 21 and 27

Answer 1

Answer:

1 and 3

Step-by-step explanation:

Common factors of 15, 21 27=1,3

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Answer 2

Answer:

Answer:

The common factors are:

1, 3

The Greatest Common Factor:

GCF = 3

Solution

Step-by-step explanation:

The factors of 15 are:

1, 3, 5, 15

The factors of 21 are:

1, 3, 7, 21

The factors of 27 are:

1, 3, 9, 27

The common factors are:

1, 3

The Greatest Common Factor:

GCF = 3