What is the GCF of 216 and 18?
The GCF of 216 and 18 is 18.
Steps to find GCF
- Find the prime factorization of 216
216 = 2 × 2 × 2 × 3 × 3 × 3 - Find the prime factorization of 18
18 = 2 × 3 × 3 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 3 × 3 - GCF = 18
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: 432 & 36 108 & 9 648 & 54 72 & 6 1080 & 90 1512 & 126 432 & 18 216 & 36 648 & 18 216 & 54 1080 & 18 216 & 90 1512 & 18 216 & 126
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).