The Greatest Common Factor (GCF) is: 36
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36. 216 = 23 x 33 144 = 24 x 32 180 = 22 x 32 x 5 gcf = 22 x 32 = 36
The greatest common factor of 180 , 365 = 5
The prime factors of 180 are 2, 2, 3, 3, and 5. The prime factors of 216 are 2, 2, 2, 3, 3, and 3. The common factors are 2, 2, 3, and 3, so the greatest common factor is 2 x 2 x 3 x 3 = 36.
If the question is "What is the greatest common factor of 168 and 180?" then: The prime factors of 168 = 2*2*2*3*7 The prime factors of 180 = 2*2*3*3*5 So the greatest common divisor = 2*2*3 = 12 If 168 and 180 are denominators and we want to find a number both divide into, we are looking for the LEAST common factor: 2*2*2*3*3*5*7 = 2520
The greatest common factor of the numbers 120 and 180 is 60.