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 821, 687, 66 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 821, 687, 66 is 1.
GCF(821, 687, 66) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
∴ GCF of numbers is 1 because of no common factors present between them.
Factors of 821
List of positive integer factors of 821 that divides 821 without a remainder.
1,821
Factors of 687
List of positive integer factors of 687 that divides 687 without a remainder.
1,3,229,687
Factors of 66
List of positive integer factors of 66 that divides 66 without a remainder.
1,2,3,6,11,22,33,66
Greatest Common Factor
We found the factors 821,687,66 . The biggest common factor number is the GCF number.
So the greatest common factor 821,687,66 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 821, 687, 66?
Answer: GCF of 821, 687, 66 is 1.
2. How to Find the GCF of 821, 687, 66
Answer: Greatest Common Factor(GCF) of 821, 687, 66 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(821, 687, 66) = 1.