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

User John Rasch
by
6.7k points

2 Answers

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
User Chris Baxter
by
6.6k points
4 votes
6 because it is the greatest number that both can be divided by
User Bazinga
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7.0k points
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