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