Solutions by everydaycalculation.com
The GCF of 6480 and 640 is 80.
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: 3240 & 320 1296 & 128 6480 & 1280 6480 & 1920 6480 & 3200 6480 & 4480
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