Online GCD Calculator is useful to find the GCD of 109, 231, 687 quickly. Get the easiest ways to solve the greatest common divisor of 109, 231, 687 i.e 1 in different methods as follows.
Given Input numbers are 109, 231, 687
In the factoring method, we have to find the divisors of all numbers
Divisors of 109 :
The positive integer divisors of 109 that completely divides 109 are.
1, 109
Divisors of 231 :
The positive integer divisors of 231 that completely divides 231 are.
1, 3, 7, 11, 21, 33, 77, 231
Divisors of 687 :
The positive integer divisors of 687 that completely divides 687 are.
1, 3, 229, 687
GCD of numbers is the greatest common divisor
So, the GCD (109, 231, 687) = 1.
Given numbers are 109, 231, 687
The list of prime factors of all numbers are
Prime factors of 109 are 109
Prime factors of 231 are 3 x 7 x 11
Prime factors of 687 are 3 x 229
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 109, 231, 687
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(109, 231) = 25179
GCD(109, 231) = ( 109 x 231 ) / 25179
= 109 / 231
= 109
Step2:
LCM(1, 687) = 687
GCD(1, 687) = ( 1 x 687 ) / 687
= 1 / 687
= 1
So, Greatest Common Divisor of 109, 231, 687 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 109, 231, 687
The greatest common divisor of numbers 109, 231, 687 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 109, 231, 687 is 1.
1. What is the GCD of 109, 231, 687?
GCD of given numbers 109, 231, 687 is 1
2. How to calculate the greatest common divisor of 109, 231, 687?
We can find the highest common divisor of 109, 231, 687 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 109, 231, 687 i.e 1.
3. How can I use the GCD of 109, 231, 687Calculator?
Out the numbers 109, 231, 687 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.