Answers

2016-07-02T17:40:14+08:00
Factors of...
10= 1, 2, 5, 10
20= 1, 2, 5, 10, 20
Multiples of...
15= 15, 30, 45, 60, 75, 90,...
7= 7, 14, 21, 28, 35, 42
GCF of 10 and 20= 10
Prime numbers= 2, 3, 5, 7, 11, 13...
Composite numbers= 4, 6, 8, 9, 10, 12, 15...
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