Online GCD Calculator is useful to find the GCD of 420, 567, 206, 689 quickly. Get the easiest ways to solve the greatest common divisor of 420, 567, 206, 689 i.e 1 in different methods as follows.
Given Input numbers are 420, 567, 206, 689
In the factoring method, we have to find the divisors of all numbers
Divisors of 420 :
The positive integer divisors of 420 that completely divides 420 are.
1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
Divisors of 567 :
The positive integer divisors of 567 that completely divides 567 are.
1, 3, 7, 9, 21, 27, 63, 81, 189, 567
Divisors of 206 :
The positive integer divisors of 206 that completely divides 206 are.
1, 2, 103, 206
Divisors of 689 :
The positive integer divisors of 689 that completely divides 689 are.
1, 13, 53, 689
GCD of numbers is the greatest common divisor
So, the GCD (420, 567, 206, 689) = 1.
Given numbers are 420, 567, 206, 689
The list of prime factors of all numbers are
Prime factors of 420 are 2 x 2 x 3 x 5 x 7
Prime factors of 567 are 3 x 3 x 3 x 3 x 7
Prime factors of 206 are 2 x 103
Prime factors of 689 are 13 x 53
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 420, 567, 206, 689
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(420, 567) = 11340
GCD(420, 567) = ( 420 x 567 ) / 11340
= 420 / 567
= 420
Step2:
LCM(21, 206) = 4326
GCD(21, 206) = ( 21 x 206 ) / 4326
= 21 / 206
= 21
Step3:
LCM(1, 689) = 689
GCD(1, 689) = ( 1 x 689 ) / 689
= 1 / 689
= 1
So, Greatest Common Divisor of 420, 567, 206, 689 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 420, 567, 206, 689
The greatest common divisor of numbers 420, 567, 206, 689 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 420, 567, 206, 689 is 1.
1. What is the GCD of 420, 567, 206, 689?
GCD of given numbers 420, 567, 206, 689 is 1
2. How to calculate the greatest common divisor of 420, 567, 206, 689?
We can find the highest common divisor of 420, 567, 206, 689 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 420, 567, 206, 689 i.e 1.
3. How can I use the GCD of 420, 567, 206, 689Calculator?
Out the numbers 420, 567, 206, 689 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.