Where do I get the detailed procedure to find GCD of 685, 689, 505?

You can find a detailed procedure to find GCD of 685, 689, 505 on our page.

How to find GCD of 685, 689, 505 on a calculator?

You can find the GCD of 685, 689, 505 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.

GCD of 685, 689, 505 Calculator

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

Online GCD Calculator is useful to find the GCD of 685, 689, 505 quickly. Get the easiest ways to solve the greatest common divisor of 685, 689, 505 i.e 1 in different methods as follows.

How to Find GCD of Numbers 685, 689, 505 with Factoring?

Given Input numbers are 685, 689, 505

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

Divisors of 685 :

The positive integer divisors of 685 that completely divides 685 are.

1, 5, 137, 685

Divisors of 689 :

The positive integer divisors of 689 that completely divides 689 are.

1, 13, 53, 689

Divisors of 505 :

The positive integer divisors of 505 that completely divides 505 are.

1, 5, 101, 505

GCD of numbers is the greatest common divisor

So, the GCD (685, 689, 505) = 1.

Find GCD of 685, 689, 505 using Prime Factorization

Given numbers are 685, 689, 505

The list of prime factors of all numbers are

Prime factors of 685 are 5 x 137

Prime factors of 689 are 13 x 53

Prime factors of 505 are 5 x 101

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

Steps to Calculate GCD of 685, 689, 505 using LCM Formula

Given numbers are 685, 689, 505

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

Apply this formula for all numbers.

Step1:

LCM(685, 689) = 471965

GCD(685, 689) = ( 685 x 689 ) / 471965

= 685 / 689

= 685

Step2:

LCM(1, 505) = 505

GCD(1, 505) = ( 1 x 505 ) / 505

= 1 / 505

= 1

So, Greatest Common Divisor of 685, 689, 505 is 1

GCD of Numbers Calculation Examples

Here are some samples of GCD of Numbers calculations.

Greatest Common Divisor of 685, 689, 505

Given numbers are 685, 689, 505
The greatest common divisor of numbers 685, 689, 505 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 685, 689, 505 is 1.

FAQs on GCD of 685, 689, 505 Calculator

1. What is the GCD of 685, 689, 505?

GCD of given numbers 685, 689, 505 is 1

2. How to calculate the greatest common divisor of 685, 689, 505?

We can find the highest common divisor of 685, 689, 505 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 685, 689, 505 i.e 1.

3. How can I use the GCD of 685, 689, 505Calculator?

Out the numbers 685, 689, 505 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.