Solutions by everydaycalculation.com

The GCF of 69 and 1080 is 3.

- Find the prime factorization of 69

69 = 3 × 23 - Find the prime factorization of 1080

1080 = 2 × 2 × 2 × 3 × 3 × 3 × 5 - 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 & 2160 207 & 3240 23 & 360 345 & 5400 483 & 7560 138 & 1080 69 & 2160 207 & 1080 69 & 3240 345 & 1080 69 & 5400 483 & 1080 69 & 7560

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