Find the GCF

Greatest Common Factor

By Elizabeth Kee

Find the Factors of each of the numbers given

Step 1:

30: 2 x 3 x 5

18: 2 x 3 x 3 ​

2 and 3 are the factors in common​

Example:

Highlight or Circle all the factors the two numbers have in common.

Step 2:

Some text here about the topic of discussion

Multiply the common factors to find the Greatest Common Factor of GCT

30: 2 x 3 x 5

18: 2 x 3 x 3 ​

​

GCF: 2 x 3 = 6​

Example:

Step 3

Some text here about the topic of discussion

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GCF of 10 and 50

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GCF of 8 and 20

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GCF of 45 and 60

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GCF of 48 and 72

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GCF of 28 and 70