Online GCD Calculator is useful to find the GCD of 856, 731, 621 quickly. Get the easiest ways to solve the greatest common divisor of 856, 731, 621 i.e 1 in different methods as follows.
Given Input numbers are 856, 731, 621
In the factoring method, we have to find the divisors of all numbers
Divisors of 856 :
The positive integer divisors of 856 that completely divides 856 are.
1, 2, 4, 8, 107, 214, 428, 856
Divisors of 731 :
The positive integer divisors of 731 that completely divides 731 are.
1, 17, 43, 731
Divisors of 621 :
The positive integer divisors of 621 that completely divides 621 are.
1, 3, 9, 23, 27, 69, 207, 621
GCD of numbers is the greatest common divisor
So, the GCD (856, 731, 621) = 1.
Given numbers are 856, 731, 621
The list of prime factors of all numbers are
Prime factors of 856 are 2 x 2 x 2 x 107
Prime factors of 731 are 17 x 43
Prime factors of 621 are 3 x 3 x 3 x 23
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 856, 731, 621
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(856, 731) = 625736
GCD(856, 731) = ( 856 x 731 ) / 625736
= 856 / 731
= 856
Step2:
LCM(1, 621) = 621
GCD(1, 621) = ( 1 x 621 ) / 621
= 1 / 621
= 1
So, Greatest Common Divisor of 856, 731, 621 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 856, 731, 621
The greatest common divisor of numbers 856, 731, 621 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 856, 731, 621 is 1.
1. What is the GCD of 856, 731, 621?
GCD of given numbers 856, 731, 621 is 1
2. How to calculate the greatest common divisor of 856, 731, 621?
We can find the highest common divisor of 856, 731, 621 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 856, 731, 621 i.e 1.
3. How can I use the GCD of 856, 731, 621Calculator?
Out the numbers 856, 731, 621 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.