Solutions by everydaycalculation.com
The GCF of 45 and 639 is 9.
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: 90 & 1278 135 & 1917 15 & 213 225 & 3195 315 & 4473 90 & 639 45 & 1278 135 & 639 45 & 1917 225 & 639 45 & 3195 315 & 639 45 & 4473
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