Solutions by everydaycalculation.com
The GCF of 18 and 138 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: 36 & 276 9 & 69 54 & 414 6 & 46 90 & 690 126 & 966 36 & 138 18 & 276 54 & 138 18 & 414 90 & 138 18 & 690 126 & 138 18 & 966
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