Solutions by everydaycalculation.com
The GCF of 420 and 642 is 6.
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: 840 & 1284 210 & 321 1260 & 1926 140 & 214 2100 & 3210 2940 & 4494 840 & 642 420 & 1284 1260 & 642 420 & 1926 2100 & 642 420 & 3210 2940 & 642 420 & 4494
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