What is the GCF of 66 and 210?
The GCF of 66 and 210 is 6.
Steps to find GCF
- Find the prime factorization of 66
66 = 2 × 3 × 11 - Find the prime factorization of 210
210 = 2 × 3 × 5 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 3 - GCF = 6
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: 132 & 420 33 & 105 198 & 630 22 & 70 330 & 1050 462 & 1470 132 & 210 66 & 420 198 & 210 66 & 630 330 & 210 66 & 1050 462 & 210 66 & 1470
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).