220k views
5 votes
What is the greatest common factor of 42 and 81?

2 Answers

6 votes

Answer:

3

Explanation:

3 is the greatest common factor of 42 and 81

User Kepung
by
5.5k points
4 votes

Answer:

3

Explanation:

42 is 2 x 3 x 7

81 is 3 x 3 x 3 x 3

3 is the greatest common factor

User Jaap Versteegh
by
5.7k points