answersLogoWhite

0

To find the GCF of two or more numbers, you can list the factor pairs of all the numbers and then look for the largest factor that is common to all the numbers.

42:

1 x 42

2 x 21

3 x 14

6 x 7

30:

1 x 30

2 x 15

5 x 6

54:

1 x 54

2 x 27

3 x 18

6 x 9

6 is the GCF of 42, 30, and 54.

User Avatar

Wiki User

11y ago

Still curious? Ask our experts.

Chat with our AI personalities

RafaRafa
There's no fun in playing it safe. Why not try something a little unhinged?
Chat with Rafa
BeauBeau
You're doing better than you think!
Chat with Beau
RossRoss
Every question is just a happy little opportunity.
Chat with Ross
More answers

The GCF is 6

User Avatar

Wiki User

10y ago
User Avatar

Add your answer:

Earn +20 pts
Q: What is the gcf of 30 42 54?
Write your answer...
Submit
Still have questions?
magnify glass
imp