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

5 50

45 54

65 156

88 121

66 165

36 54

40 50

35 175

100 1000

5 9

35 21

132 88

153 85

52 338

32 324

101 1010

290 17

135 150

495 175
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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