Solutions by everydaycalculation.com
The GCF of 400 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: 800 & 1280 200 & 320 1200 & 1920 2000 & 3200 80 & 128 2800 & 4480 800 & 640 400 & 1280 1200 & 640 400 & 1920 2000 & 640 400 & 3200 2800 & 640 400 & 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