Solutions by everydaycalculation.com

The GCF of 140 and 7938 is 14.

- Find the prime factorization of 140

140 = 2 × 2 × 5 × 7 - Find the prime factorization of 7938

7938 = 2 × 3 × 3 × 3 × 3 × 7 × 7 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 2 × 7 - GCF =
**14**

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: 70 & 3969 20 & 1134 280 & 7938 420 & 7938 700 & 7938 980 & 7938

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