answersLogoWhite

0


Best Answer

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

10y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

10y ago

The GCF is 6

This answer is:
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