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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
3.7k 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
4.2k points