What is the GCF of 686 and 8820?
The GCF of 686 and 8820 is 98.
Steps to find GCF
- Find the prime factorization of 686
686 = 2 × 7 × 7 × 7 - Find the prime factorization of 8820
8820 = 2 × 2 × 3 × 3 × 5 × 7 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 7 × 7 - GCF = 98
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: 343 & 4410 98 & 1260 1372 & 8820 2058 & 8820 3430 & 8820 4802 & 8820
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).