Solutions by everydaycalculation.com

The GCF of 69 and 2520 is 3.

- Find the prime factorization of 69

69 = 3 × 23 - Find the prime factorization of 2520

2520 = 2 × 2 × 2 × 3 × 3 × 5 × 7 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 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: 138 & 5040 207 & 7560 23 & 840 138 & 2520 69 & 5040 207 & 2520 69 & 7560 345 & 2520 483 & 2520

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