Greatest Common Factor of 810, 1221
Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
GCF of two or more numbers Calculator allows you to quickly calculate the GCF of 810, 1221 i.e. 3 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 810, 1221 is 3.
GCF(810, 1221) = 3
GCF of 810, 1221
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
- Greatest Common Factor of 810, 1221 by common division method
- Greatest Common Factor of 810, 1221 with matching the biggest common factor
GCF of 810,1221 is 3
| 3 | 810, 1221 |
| 270, 407 |
∴ So the GCF of the given numbers is 3 = 3
Factors of 810
List of positive integer factors of 810 that divides 810 without a remainder.
1,2,3,5,6,9,10,15,18,27,30,45,54,81,90,135,162,270,405,810
Factors of 1221
List of positive integer factors of 1221 that divides 1221 without a remainder.
1,3,11,33,37,111,407,1221
Greatest Common Factor
We found the factors 810,1221 . The biggest common factor number is the GCF number.
So the greatest common factor 810,1221 is 3.
GCF of two or more Numbers Calculation Examples
Here are some samples of GCF of two or more Numbers calculations.
Frequently Asked Questions on GCF of 810, 1221
1. What is the GCF of 810, 1221?
Answer: GCF of 810, 1221 is 3.
2. How to Find the GCF of 810, 1221
Answer: Greatest Common Factor(GCF) of 810, 1221 = 3
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(810, 1221) = 3.