Answers

2015-07-26T12:07:36+08:00
14= 1,2,7,14 21=1,3,7,21 28=1,4,7,28 The common factors are:1,7 The greatest common factor is: 7
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2015-07-26T12:37:56+08:00
GCF= 7

14= 7,2
21= 7,3
28= 7,2,2
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