The Greatest Common Factor (GCF) is: 5
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25, 27, and 45 share no common factors aside from 1.
It is 5
The highest common factor 15
LCM is the product divided by the greatest common factor 25 factors into [5 5] 45 factors into [3 3 5] common factor is 5 LCM = 25 * 45 divided by 5, so 1125 / 5= 225◄
First you find the factors of 45 and 60. The Factors of 45 are:1,3,5,9,15,and 45 The Factors of 60 are:1,2,3,4,5,6,10,12,15,20,30,60 The GCF is the highest common number so the GCF is 15.