Solutions by everydaycalculation.com
The GCF of 642 and 39 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: 1284 & 78 1926 & 117 214 & 13 3210 & 195 4494 & 273 1284 & 39 642 & 78 1926 & 39 642 & 117 3210 & 39 642 & 195 4494 & 39 642 & 273
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