Solutions by everydaycalculation.com
The GCF of 21 and 2070 is 3.
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 & 4140 63 & 6210 7 & 690 42 & 2070 21 & 4140 63 & 2070 21 & 6210 105 & 2070 147 & 2070
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