Answers

2014-03-02T21:39:50+08:00
A) 30 & 16
30 = 1x2x3x5x6x15x30
16 = 1x2x4x8x16
greatest common factor is 2.
b) 45 & 15
45= 1x3x5x9x15x45
15= 1x3x5x15
gcf = 15
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