30 = 2 x 3 x 5
45 = 3 x 3 x 5
so common factors are 1, 3, 5 and 15
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The greatest common factor of 90 , 30 , 45 = 15
The Greatest Common Factor (GCF) is: 5
is: 15
15 and 15000 have a greatest common factor of 15
The Greatest Common Factor of 60, 45, and 30 is 15.