Solutions by everydaycalculation.com
The GCF of 20 and 231 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: 40 & 462 60 & 693 100 & 1155 140 & 1617 40 & 231 20 & 462 60 & 231 20 & 693 100 & 231 20 & 1155 140 & 231 20 & 1617
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