Answers

2014-08-19T20:48:59+08:00
GCF greatest common factor while LCM is least common multiple
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2014-08-21T15:09:18+08:00
GCF
36= 1 x 3 x 2 x 2 x 3
25= 1 x 5 x 5
40= 1 x 5 x 2 x 2 x 2
GCF = 1

LCM
36= 2 x 2 x 3 x 3
25= 5 x 5
40= 5 x 2 x 2 x 2 
    = 2³ x 5² x 3²
    = 8 x 25 x 9
LCM = 1800

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