The greatest Common Factor (GCF) of 18 and 75 is 3.
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The prime factors of 18 are 3 * 3 * 2.
The prime factors of 75 are 3 * 5 * 5.
So the greatest common factor is 3.
The greatest common factor of 75, 150, and 225 is 75
The greatest common factor of 21 and 75 is 3.
25 is the greatest common factor of 75 and 25. 3 x 25 = 75.
The Greatest Common Factor of 108, 180, 75 is 3.
The greatest common factor of 30, 75, and 90 is 15