### What is the greatest common factor of 52 91 and 104?

First Number: 52 Second Number: 91 Third Number: 104 The Greatest Common Factor (GCF) is: 13 Example Simplified Fraction: 52/91 => 4/7 (4 times 13 =52; 7 times 13=91; 104 divided by 13=8) The Greatest Common Factor of 30, 75, 90 = 15 Example Simplified Fraction: 30/75 => 2/5 The Greatest Common Factor (GCF) is 2 for 118 and 116. Example Simplified Fraction: 118/116 => 59/58 It is a common factor if it is a…

### What is the trick to finding the greatest common factor?

The following answer describes four methods of finding the greatest common factor, with examples, and several "tricks" or shortcuts that can make it easier. Method: Guess and Refine Sometimes, you can look at two numbers and make a good guess that you can refine. Example 1: Find the greatest common factor of 45 and 50. Because both numbers end in either a 5 or 0, you know that they are both divisible by 5. If…