GCD of 947, 644, 138 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 947, 644, 138 quickly. Get the easiest ways to solve the greatest common divisor of 947, 644, 138 i.e 1 in different methods as follows.
Given Input numbers are 947, 644, 138
In the factoring method, we have to find the divisors of all numbers
Divisors of 947 :
The positive integer divisors of 947 that completely divides 947 are.
1, 947
Divisors of 644 :
The positive integer divisors of 644 that completely divides 644 are.
1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644
Divisors of 138 :
The positive integer divisors of 138 that completely divides 138 are.
1, 2, 3, 6, 23, 46, 69, 138
GCD of numbers is the greatest common divisor
So, the GCD (947, 644, 138) = 1.
Given numbers are 947, 644, 138
The list of prime factors of all numbers are
Prime factors of 947 are 947
Prime factors of 644 are 2 x 2 x 7 x 23
Prime factors of 138 are 2 x 3 x 23
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 947, 644, 138 using LCM Formula
Given numbers are 947, 644, 138
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(947, 644) = 609868
GCD(947, 644) = ( 947 x 644 ) / 609868
= 947 / 644
= 947
Step2:
LCM(1, 138) = 138
GCD(1, 138) = ( 1 x 138 ) / 138
= 1 / 138
= 1
So, Greatest Common Divisor of 947, 644, 138 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 947, 644, 138
Given numbers are 947, 644, 138
The greatest common divisor of numbers 947, 644, 138 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 947, 644, 138 is 1.
FAQs on GCD of 947, 644, 138 Calculator
1. What is the GCD of 947, 644, 138?
GCD of given numbers 947, 644, 138 is 1
2. How to calculate the greatest common divisor of 947, 644, 138?
We can find the highest common divisor of 947, 644, 138 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 947, 644, 138 i.e 1.
3. How can I use the GCD of 947, 644, 138Calculator?
Out the numbers 947, 644, 138 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.