0
Anonymous
1, 3, 5, 15.
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The highest common factor is 15
75% of 90 = 75% * 90 = 0.75 * 90 = 67.5
75% of 90= 75% * 90= 0.75 * 90= 67.5
3 is the hcf
GCF(36, 75) = 3 so the answer is 1 and 3