Solutions by everydaycalculation.com
The GCF of 28 and 647 is 1.
MathStep (Works offline)
Download our mobile app and learn how to find GCF of upto four numbers in your own time:
Android and iPhone/ iPad
Find HCF of: 56 & 1294 84 & 1941 140 & 3235 196 & 4529 56 & 647 28 & 1294 84 & 647 28 & 1941 140 & 647 28 & 3235 196 & 647 28 & 4529
Enter two numbers separate by comma. To find GCF of more than two numbers, click here.
The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).
© everydaycalculation.com