LCM of 3 Numbers Calculator LCM of 4 Numbers Calculator LCM of 5 Numbers Calculator LCD Calculator How to find LCM LCM and HCF Questions Least Common Denominator Calculator Greatest Common Divisor Calculator HCF Calculator HCF of 3 Numbers Calculator HCF of 4 Numbers Calculator GCD Calculator Greatest Common Factor Calculator Least Common Multiple Calculator Common Factors Calculator

GCD of 968, 557, 21 Calculator

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023


Online GCD Calculator is useful to find the GCD of 968, 557, 21 quickly. Get the easiest ways to solve the greatest common divisor of 968, 557, 21 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 968, 557, 21 with Factoring?

Given Input numbers are 968, 557, 21

In the factoring method, we have to find the divisors of all numbers

Divisors of 968 :

The positive integer divisors of 968 that completely divides 968 are.

1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968

Divisors of 557 :

The positive integer divisors of 557 that completely divides 557 are.

1, 557

Divisors of 21 :

The positive integer divisors of 21 that completely divides 21 are.

1, 3, 7, 21


GCD of numbers is the greatest common divisor

So, the GCD (968, 557, 21) = 1.

Find GCD of 968, 557, 21 using Prime Factorization

Given numbers are 968, 557, 21

The list of prime factors of all numbers are

Prime factors of 968 are 2 x 2 x 2 x 11 x 11

Prime factors of 557 are 557

Prime factors of 21 are 3 x 7

The above numbers do not have any common prime factor. So GCD is 1

Steps to Calculate GCD of 968, 557, 21 using LCM Formula

Given numbers are 968, 557, 21

GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)

Apply this formula for all numbers.

Step1:

LCM(968, 557) = 539176

GCD(968, 557) = ( 968 x 557 ) / 539176

= 968 / 557

= 968


Step2:

LCM(1, 21) = 21

GCD(1, 21) = ( 1 x 21 ) / 21

= 1 / 21

= 1


So, Greatest Common Divisor of 968, 557, 21 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 968, 557, 21

Given numbers are 968, 557, 21
The greatest common divisor of numbers 968, 557, 21 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 968, 557, 21 is 1.

FAQs on GCD of 968, 557, 21 Calculator

1. What is the GCD of 968, 557, 21?

GCD of given numbers 968, 557, 21 is 1


2. How to calculate the greatest common divisor of 968, 557, 21?

We can find the highest common divisor of 968, 557, 21 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 968, 557, 21 i.e 1.


3. How can I use the GCD of 968, 557, 21Calculator?

Out the numbers 968, 557, 21 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.