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Grade: 7,    Subject: Math,    Topic: GCF (Greatest Common Factor)
Question 1:
Find the Greatest Common Factor of 15 and 25.

105

1525
 
Question 2:
Find the Greatest Common Factor of 21, 56 and 63.

143

79
 
Question 3:
Find the Greatest Common Factor of 16, 32 and 60.

816

64
 
Question 4:
Find the Greatest Common Factor of 18, 27 and 90.

910

186
 
Question 5:
Find the Greatest Common Factor of 39 and 65.

912

1316
 
Question 6:
Two numbers has a greatest common factor equal to 6 and a least common multiple equal to 36. If one of the numbers is 12, find the other number.

2415

1845
 
Question 7:
Find the Greatest Common factor of 42, 63 and 105.

217

149
 
Question 8:
Jerry has 42 apples, 56 pears and 98 oranges. He wants to pack each type of fruit in separate boxes with maximum number of fruits in each box. He also wants equal number of fruits in each basket with no fruit left. How many fruits will there be in each box?

2814

3622
 
Question 9:
Which set of numbers will have a Greatest Common factor equal to 16?

48, 96, 14524, 40, 64

50, 560, 14048, 80, 112
 
Question 10:
Find the Greatest Common factor of 36, 54, and 126.

1218

279
 
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