Answers

2016-03-09T23:09:25+05:30
1, 2, 3, 4, 6 and 12 are factors of 12.
2 × 6 = 12,but also 3 × 4 = 12,and of course 1 × 12 = 12.

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2016-03-09T23:29:22+05:30
The factors of 12 are: 1,2,3,4,6,12

Range= Upper limit- Lower limit
           = 12-1
           =11
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