It would be 20. After dividing both numbers by 20, you get 1 and 6. And these two numbers cannot be divided by any other numbers except by 1.
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The greatest common factor of 120 and 245 is 5.
The greatest common factor of 240 and 336 is 48.
The Greatest Common Factor is 20
The GCF is 10.
The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 20, 40, 50, and 120 is 10