Online GCD Calculator is useful to find the GCD of 231, 665, 209 quickly. Get the easiest ways to solve the greatest common divisor of 231, 665, 209 i.e 1 in different methods as follows.
Given Input numbers are 231, 665, 209
In the factoring method, we have to find the divisors of all numbers
Divisors of 231 :
The positive integer divisors of 231 that completely divides 231 are.
1, 3, 7, 11, 21, 33, 77, 231
Divisors of 665 :
The positive integer divisors of 665 that completely divides 665 are.
1, 5, 7, 19, 35, 95, 133, 665
Divisors of 209 :
The positive integer divisors of 209 that completely divides 209 are.
1, 11, 19, 209
GCD of numbers is the greatest common divisor
So, the GCD (231, 665, 209) = 1.
Given numbers are 231, 665, 209
The list of prime factors of all numbers are
Prime factors of 231 are 3 x 7 x 11
Prime factors of 665 are 5 x 7 x 19
Prime factors of 209 are 11 x 19
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 231, 665, 209
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(231, 665) = 21945
GCD(231, 665) = ( 231 x 665 ) / 21945
= 231 / 665
= 231
Step2:
LCM(7, 209) = 1463
GCD(7, 209) = ( 7 x 209 ) / 1463
= 7 / 209
= 7
So, Greatest Common Divisor of 231, 665, 209 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 231, 665, 209
The greatest common divisor of numbers 231, 665, 209 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 231, 665, 209 is 1.
1. What is the GCD of 231, 665, 209?
GCD of given numbers 231, 665, 209 is 1
2. How to calculate the greatest common divisor of 231, 665, 209?
We can find the highest common divisor of 231, 665, 209 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 231, 665, 209 i.e 1.
3. How can I use the GCD of 231, 665, 209Calculator?
Out the numbers 231, 665, 209 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.