Online GCD Calculator is useful to find the GCD of 168, 981, 687 quickly. Get the easiest ways to solve the greatest common divisor of 168, 981, 687 i.e 3 in different methods as follows.
Given Input numbers are 168, 981, 687
In the factoring method, we have to find the divisors of all numbers
Divisors of 168 :
The positive integer divisors of 168 that completely divides 168 are.
1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168
Divisors of 981 :
The positive integer divisors of 981 that completely divides 981 are.
1, 3, 9, 109, 327, 981
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 (168, 981, 687) = 3.
Given numbers are 168, 981, 687
The list of prime factors of all numbers are
Prime factors of 168 are 2 x 2 x 2 x 3 x 7
Prime factors of 981 are 3 x 3 x 109
Prime factors of 687 are 3 x 229
The highest common occurrence is 31
Therefore, GCD of 168, 981, 687 is 3.
Given numbers are 168, 981, 687
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(168, 981) = 54936
GCD(168, 981) = ( 168 x 981 ) / 54936
= 168 / 981
= 168
Step2:
LCM(3, 687) = 687
GCD(3, 687) = ( 3 x 687 ) / 687
= 3 / 687
= 3
So, Greatest Common Divisor of 168, 981, 687 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 168, 981, 687
The greatest common divisor of numbers 168, 981, 687 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 168, 981, 687 is 3.
1. What is the GCD of 168, 981, 687?
GCD of given numbers 168, 981, 687 is 3
2. How to calculate the greatest common divisor of 168, 981, 687?
We can find the highest common divisor of 168, 981, 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 168, 981, 687 i.e 3.
3. How can I use the GCD of 168, 981, 687Calculator?
Out the numbers 168, 981, 687 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.