Solutions by everydaycalculation.com
The GCF of 123 and 42 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: 246 & 84 369 & 126 41 & 14 615 & 210 861 & 294 246 & 42 123 & 84 369 & 42 123 & 126 615 & 42 123 & 210 861 & 42 123 & 294
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