GCD of 421, 656, 972 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 421, 656, 972 quickly. Get the easiest ways to solve the greatest common divisor of 421, 656, 972 i.e 1 in different methods as follows.
Given Input numbers are 421, 656, 972
In the factoring method, we have to find the divisors of all numbers
Divisors of 421 :
The positive integer divisors of 421 that completely divides 421 are.
1, 421
Divisors of 656 :
The positive integer divisors of 656 that completely divides 656 are.
1, 2, 4, 8, 16, 41, 82, 164, 328, 656
Divisors of 972 :
The positive integer divisors of 972 that completely divides 972 are.
1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972
GCD of numbers is the greatest common divisor
So, the GCD (421, 656, 972) = 1.
Given numbers are 421, 656, 972
The list of prime factors of all numbers are
Prime factors of 421 are 421
Prime factors of 656 are 2 x 2 x 2 x 2 x 41
Prime factors of 972 are 2 x 2 x 3 x 3 x 3 x 3 x 3
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 421, 656, 972 using LCM Formula
Given numbers are 421, 656, 972
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(421, 656) = 276176
GCD(421, 656) = ( 421 x 656 ) / 276176
= 421 / 656
= 421
Step2:
LCM(1, 972) = 972
GCD(1, 972) = ( 1 x 972 ) / 972
= 1 / 972
= 1
So, Greatest Common Divisor of 421, 656, 972 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 421, 656, 972
Given numbers are 421, 656, 972
The greatest common divisor of numbers 421, 656, 972 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 421, 656, 972 is 1.
FAQs on GCD of 421, 656, 972 Calculator
1. What is the GCD of 421, 656, 972?
GCD of given numbers 421, 656, 972 is 1
2. How to calculate the greatest common divisor of 421, 656, 972?
We can find the highest common divisor of 421, 656, 972 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 421, 656, 972 i.e 1.
3. How can I use the GCD of 421, 656, 972Calculator?
Out the numbers 421, 656, 972 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.