# Finding a GCF of Two Numbers

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

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. `1 10`
`Answer: 1`
2. `5 50`
`Answer: 5`
3. `45 54`
`Answer: 9`
4. `65 156`
`Answer: 13`
5. `88 121`
`Answer: 11`
6. `66 165`
`Answer: 33`
7. `36 54`
`Answer: 18`
8. `40 50`
`Answer: 10`
9. `35 175`
`Answer: 35`
10. `100 1000`
`Answer: 100`
11. `5 9`
`Answer: 1`
12. `35 21`
`Answer: 7`
13. `132 88`
`Answer: 44`
14. `153 85`
`Answer: 17`
15. `52 338`
`Answer: 26`
16. `32 324`
`Answer: 4`
17. `101 1010`
`Answer: 101`
18. `290 17`
`Answer: 1`
19. `135 150`
`Answer: 15`
20. `495 175`
`Answer: 5`

## Related Pages

Finding a GCF Lesson
Brush up on your knowledge of the techniques needed to solve problems on this page.

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