Online GCD Calculator is useful to find the GCD of 687, 689, 722 quickly. Get the easiest ways to solve the greatest common divisor of 687, 689, 722 i.e 1 in different methods as follows.
Given Input numbers are 687, 689, 722
In the factoring method, we have to find the divisors of all numbers
Divisors of 687 :
The positive integer divisors of 687 that completely divides 687 are.
1, 3, 229, 687
Divisors of 689 :
The positive integer divisors of 689 that completely divides 689 are.
1, 13, 53, 689
Divisors of 722 :
The positive integer divisors of 722 that completely divides 722 are.
1, 2, 19, 38, 361, 722
GCD of numbers is the greatest common divisor
So, the GCD (687, 689, 722) = 1.
Given numbers are 687, 689, 722
The list of prime factors of all numbers are
Prime factors of 687 are 3 x 229
Prime factors of 689 are 13 x 53
Prime factors of 722 are 2 x 19 x 19
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 687, 689, 722
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(687, 689) = 473343
GCD(687, 689) = ( 687 x 689 ) / 473343
= 687 / 689
= 687
Step2:
LCM(1, 722) = 722
GCD(1, 722) = ( 1 x 722 ) / 722
= 1 / 722
= 1
So, Greatest Common Divisor of 687, 689, 722 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 687, 689, 722
The greatest common divisor of numbers 687, 689, 722 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 687, 689, 722 is 1.
1. What is the GCD of 687, 689, 722?
GCD of given numbers 687, 689, 722 is 1
2. How to calculate the greatest common divisor of 687, 689, 722?
We can find the highest common divisor of 687, 689, 722 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 687, 689, 722 i.e 1.
3. How can I use the GCD of 687, 689, 722Calculator?
Out the numbers 687, 689, 722 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.