What is the GCF of 672 and 1620?
The GCF of 672 and 1620 is 12.
Steps to find GCF
- Find the prime factorization of 672
672 = 2 × 2 × 2 × 2 × 2 × 3 × 7 - Find the prime factorization of 1620
1620 = 2 × 2 × 3 × 3 × 3 × 3 × 5 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 2 × 3 - GCF = 12
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
Related
Find HCF of: 1344 & 3240 336 & 810 2016 & 4860 224 & 540 3360 & 8100 1344 & 1620 672 & 3240 2016 & 1620 672 & 4860 3360 & 1620 672 & 8100 4704 & 1620
GCF Calculator
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).