Finding a GCF of Two Numbers

Find the Greatest Common Factor (CGF) of the two terms.

Checking Your Answers

Click “Show Answer” underneath the problem to see the answer. Or click the “Show Answers” button at the bottom of the page to see all the answers at once.

Example:

8 12

Answer: 4

Quiz:

```
1 10
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Answer: 1
```
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5 50
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Answer: 5
```
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45 54
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```
Answer: 9
```
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```
65 156
```
Show answer
```
Answer: 13
```
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```
88 121
```
Show answer
```
Answer: 11
```
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```
66 165
```
Show answer
```
Answer: 33
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```
36 54
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Show answer
```
Answer: 18
```
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```
40 50
```
Show answer
```
Answer: 10
```
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```
35 175
```
Show answer
```
Answer: 35
```
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```
100 1000
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Show answer
```
Answer: 100
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Hide answer
```
5 9
```
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```
Answer: 1
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```
35 21
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```
Answer: 7
```
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```
132 88
```
Show answer
```
Answer: 44
```
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```
153 85
```
Show answer
```
Answer: 17
```
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```
52 338
```
Show answer
```
Answer: 26
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```
32 324
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Show answer
```
Answer: 4
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```
101 1010
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Show answer
```
Answer: 101
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```
290 17
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```
Answer: 1
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```
135 150
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Show answer
```
Answer: 15
```
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```
495 175
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Show answer
```
Answer: 5
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Show all answers

Finding a GCF Lesson

Brush up on your knowledge of the techniques needed to solve problems on this page.

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Finding a GCF of Two Numbers

Checking Your Answers

Example:

Quiz:

Related Pages

Tutoring