All I did was make a factor tree. The GCF (Greatest Common Factor) is 5. :)
12 6,2 3,2,2 42 21,2 7,3,2 2 x 3 = 6, the GCF
You Do a Factor Tree which is very simple. But the answer is 12
4515,35,3,35427,29,3,23,3,3,23 x 3 x 5 = 452 x 3 x 3 x 3 = 543 x 3 = 9, the GCF
36 18,2 9,2,2 3,3,2,2 54 27,2 9,3,2 3,3,3,2 2 x 3 x 3 = 18, the GCF
All I did was make a factor tree. The GCF (Greatest Common Factor) is 5. :)
2010,25,2,24515,35,3,3The GCF is 5.
6432,216,2,28,2,2,24,2,2,2,22,2,2,2,2,211457,219,3,2The GCF is 2.
279,33,3,34515,35,3,33 x 3 = 9, the GCF
142,7282,142,2,72 x 7 = 14, the GCF
21 3,7
9 3,3 18 6,3 2,3,3 The GCF is 9.
listing method , factor tree
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42 21,2 7,3,2 You need at least two numbers to find a GCF.
44 22,2 11,2,2 55 11,5 The GCF is 11.
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