Solutions by everydaycalculation.com
The GCF of 20 and 165 is 5.
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 & 330 60 & 495 100 & 825 4 & 33 140 & 1155 40 & 165 20 & 330 60 & 165 20 & 495 100 & 165 20 & 825 140 & 165 20 & 1155
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