Solutions by everydaycalculation.com
The GCF of 21 and 4900 is 7.
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: 42 & 9800 3 & 700 42 & 4900 21 & 9800 63 & 4900 105 & 4900 147 & 4900
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