Online GCD Calculator is useful to find the GCD of 787, 685, 129 quickly. Get the easiest ways to solve the greatest common divisor of 787, 685, 129 i.e 1 in different methods as follows.
Given Input numbers are 787, 685, 129
In the factoring method, we have to find the divisors of all numbers
Divisors of 787 :
The positive integer divisors of 787 that completely divides 787 are.
1, 787
Divisors of 685 :
The positive integer divisors of 685 that completely divides 685 are.
1, 5, 137, 685
Divisors of 129 :
The positive integer divisors of 129 that completely divides 129 are.
1, 3, 43, 129
GCD of numbers is the greatest common divisor
So, the GCD (787, 685, 129) = 1.
Given numbers are 787, 685, 129
The list of prime factors of all numbers are
Prime factors of 787 are 787
Prime factors of 685 are 5 x 137
Prime factors of 129 are 3 x 43
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 787, 685, 129
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(787, 685) = 539095
GCD(787, 685) = ( 787 x 685 ) / 539095
= 787 / 685
= 787
Step2:
LCM(1, 129) = 129
GCD(1, 129) = ( 1 x 129 ) / 129
= 1 / 129
= 1
So, Greatest Common Divisor of 787, 685, 129 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 787, 685, 129
The greatest common divisor of numbers 787, 685, 129 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 787, 685, 129 is 1.
1. What is the GCD of 787, 685, 129?
GCD of given numbers 787, 685, 129 is 1
2. How to calculate the greatest common divisor of 787, 685, 129?
We can find the highest common divisor of 787, 685, 129 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 787, 685, 129 i.e 1.
3. How can I use the GCD of 787, 685, 129Calculator?
Out the numbers 787, 685, 129 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.