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 249, 680, 691, 646, 424 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 249, 680, 691, 646, 424 is 1.
GCF(249, 680, 691, 646, 424) = 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 249
List of positive integer factors of 249 that divides 249 without a remainder.
1,3,83,249
Factors of 680
List of positive integer factors of 680 that divides 680 without a remainder.
1,2,4,5,8,10,17,20,34,40,68,85,136,170,340,680
Factors of 691
List of positive integer factors of 691 that divides 691 without a remainder.
1,691
Factors of 646
List of positive integer factors of 646 that divides 646 without a remainder.
1,2,17,19,34,38,323,646
Factors of 424
List of positive integer factors of 424 that divides 424 without a remainder.
1,2,4,8,53,106,212,424
Greatest Common Factor
We found the factors 249,680,691,646,424 . The biggest common factor number is the GCF number.
So the greatest common factor 249,680,691,646,424 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 249, 680, 691, 646, 424?
Answer: GCF of 249, 680, 691, 646, 424 is 1.
2. How to Find the GCF of 249, 680, 691, 646, 424
Answer: Greatest Common Factor(GCF) of 249, 680, 691, 646, 424 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(249, 680, 691, 646, 424) = 1.