GCD of 561, 961, 60, 665 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 561, 961, 60, 665 quickly. Get the easiest ways to solve the greatest common divisor of 561, 961, 60, 665 i.e 1 in different methods as follows.
Given Input numbers are 561, 961, 60, 665
In the factoring method, we have to find the divisors of all numbers
Divisors of 561 :
The positive integer divisors of 561 that completely divides 561 are.
1, 3, 11, 17, 33, 51, 187, 561
Divisors of 961 :
The positive integer divisors of 961 that completely divides 961 are.
1, 31, 961
Divisors of 60 :
The positive integer divisors of 60 that completely divides 60 are.
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
Divisors of 665 :
The positive integer divisors of 665 that completely divides 665 are.
1, 5, 7, 19, 35, 95, 133, 665
GCD of numbers is the greatest common divisor
So, the GCD (561, 961, 60, 665) = 1.
Given numbers are 561, 961, 60, 665
The list of prime factors of all numbers are
Prime factors of 561 are 3 x 11 x 17
Prime factors of 961 are 31 x 31
Prime factors of 60 are 2 x 2 x 3 x 5
Prime factors of 665 are 5 x 7 x 19
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 561, 961, 60, 665 using LCM Formula
Given numbers are 561, 961, 60, 665
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(561, 961) = 539121
GCD(561, 961) = ( 561 x 961 ) / 539121
= 561 / 961
= 561
Step2:
LCM(1, 60) = 60
GCD(1, 60) = ( 1 x 60 ) / 60
= 1 / 60
= 1
Step3:
LCM(1, 665) = 665
GCD(1, 665) = ( 1 x 665 ) / 665
= 1 / 665
= 1
So, Greatest Common Divisor of 561, 961, 60, 665 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 561, 961, 60, 665
Given numbers are 561, 961, 60, 665
The greatest common divisor of numbers 561, 961, 60, 665 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 561, 961, 60, 665 is 1.
FAQs on GCD of 561, 961, 60, 665 Calculator
1. What is the GCD of 561, 961, 60, 665?
GCD of given numbers 561, 961, 60, 665 is 1
2. How to calculate the greatest common divisor of 561, 961, 60, 665?
We can find the highest common divisor of 561, 961, 60, 665 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 561, 961, 60, 665 i.e 1.
3. How can I use the GCD of 561, 961, 60, 665Calculator?
Out the numbers 561, 961, 60, 665 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.