Solutions by everydaycalculation.com

The GCF of 72 and 158 is 2.

- Find the prime factorization of 72

72 = 2 × 2 × 2 × 3 × 3 - Find the prime factorization of 158

158 = 2 × 79 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 2

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: 144 & 316 36 & 79 216 & 474 360 & 790 504 & 1106 144 & 158 72 & 316 216 & 158 72 & 474 360 & 158 72 & 790 504 & 158 72 & 1106

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