What's is the GCF of 18, 42 how your work

asked May 14, 2018 142k views

5 votes

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4 votes

Find the prime factorization of both:
18=
2*9
2*3*3

42=
2*21
2*3*7

Multiply the factors that both numbers have: 2*3=6

Final answer: 6

Chris Baxter answered May 15, 2018

8.0k points

4 votes

6 because it is the greatest number that both can be divided by

Bazinga answered May 18, 2018

8.6k points

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