Online GCD Calculator is useful to find the GCD of 813, 557, 680 quickly. Get the easiest ways to solve the greatest common divisor of 813, 557, 680 i.e 1 in different methods as follows.
Given Input numbers are 813, 557, 680
In the factoring method, we have to find the divisors of all numbers
Divisors of 813 :
The positive integer divisors of 813 that completely divides 813 are.
1, 3, 271, 813
Divisors of 557 :
The positive integer divisors of 557 that completely divides 557 are.
1, 557
Divisors of 680 :
The positive integer divisors of 680 that completely divides 680 are.
1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680
GCD of numbers is the greatest common divisor
So, the GCD (813, 557, 680) = 1.
Given numbers are 813, 557, 680
The list of prime factors of all numbers are
Prime factors of 813 are 3 x 271
Prime factors of 557 are 557
Prime factors of 680 are 2 x 2 x 2 x 5 x 17
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 813, 557, 680
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(813, 557) = 452841
GCD(813, 557) = ( 813 x 557 ) / 452841
= 813 / 557
= 813
Step2:
LCM(1, 680) = 680
GCD(1, 680) = ( 1 x 680 ) / 680
= 1 / 680
= 1
So, Greatest Common Divisor of 813, 557, 680 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 813, 557, 680
The greatest common divisor of numbers 813, 557, 680 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 813, 557, 680 is 1.
1. What is the GCD of 813, 557, 680?
GCD of given numbers 813, 557, 680 is 1
2. How to calculate the greatest common divisor of 813, 557, 680?
We can find the highest common divisor of 813, 557, 680 easily using the prime factorization method. Just list the prime factors of all numbers and pick the highest common factor which is the GCD of 813, 557, 680 i.e 1.
3. How can I use the GCD of 813, 557, 680Calculator?
Out the numbers 813, 557, 680 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.