Solutions by everydaycalculation.com
The GCF of 20 and 102 is 2.
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: 40 & 204 10 & 51 60 & 306 100 & 510 140 & 714 40 & 102 20 & 204 60 & 102 20 & 306 100 & 102 20 & 510 140 & 102 20 & 714
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