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GCD of 490, 717, 638, 939 Calculator

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


Online GCD Calculator is useful to find the GCD of 490, 717, 638, 939 quickly. Get the easiest ways to solve the greatest common divisor of 490, 717, 638, 939 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 490, 717, 638, 939 with Factoring?

Given Input numbers are 490, 717, 638, 939

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

Divisors of 490 :

The positive integer divisors of 490 that completely divides 490 are.

1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490

Divisors of 717 :

The positive integer divisors of 717 that completely divides 717 are.

1, 3, 239, 717

Divisors of 638 :

The positive integer divisors of 638 that completely divides 638 are.

1, 2, 11, 22, 29, 58, 319, 638

Divisors of 939 :

The positive integer divisors of 939 that completely divides 939 are.

1, 3, 313, 939


GCD of numbers is the greatest common divisor

So, the GCD (490, 717, 638, 939) = 1.

Find GCD of 490, 717, 638, 939 using Prime Factorization

Given numbers are 490, 717, 638, 939

The list of prime factors of all numbers are

Prime factors of 490 are 2 x 5 x 7 x 7

Prime factors of 717 are 3 x 239

Prime factors of 638 are 2 x 11 x 29

Prime factors of 939 are 3 x 313

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

Steps to Calculate GCD of 490, 717, 638, 939 using LCM Formula

Given numbers are 490, 717, 638, 939

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

Apply this formula for all numbers.

Step1:

LCM(490, 717) = 351330

GCD(490, 717) = ( 490 x 717 ) / 351330

= 490 / 717

= 490


Step2:

LCM(1, 638) = 638

GCD(1, 638) = ( 1 x 638 ) / 638

= 1 / 638

= 1


Step3:

LCM(1, 939) = 939

GCD(1, 939) = ( 1 x 939 ) / 939

= 1 / 939

= 1


So, Greatest Common Divisor of 490, 717, 638, 939 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 490, 717, 638, 939

Given numbers are 490, 717, 638, 939
The greatest common divisor of numbers 490, 717, 638, 939 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 490, 717, 638, 939 is 1.

FAQs on GCD of 490, 717, 638, 939 Calculator

1. What is the GCD of 490, 717, 638, 939?

GCD of given numbers 490, 717, 638, 939 is 1


2. How to calculate the greatest common divisor of 490, 717, 638, 939?

We can find the highest common divisor of 490, 717, 638, 939 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 490, 717, 638, 939 i.e 1.


3. How can I use the GCD of 490, 717, 638, 939Calculator?

Out the numbers 490, 717, 638, 939 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.