GCD of 685, 544, 693, 665 Calculator

Given Input numbers are 685, 544, 693, 665

To find the GCD of numbers using factoring list out all the divisors of each number

Divisors of 685

List of positive integer divisors of 685 that divides 685 without a remainder.

1, 5, 137, 685

Divisors of 544

List of positive integer divisors of 544 that divides 544 without a remainder.

1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544

Divisors of 693

List of positive integer divisors of 693 that divides 693 without a remainder.

1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693

Divisors of 665

List of positive integer divisors of 665 that divides 665 without a remainder.

1, 5, 7, 19, 35, 95, 133, 665

Greatest Common Divisior

We found the divisors of 685, 544, 693, 665 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 685, 544, 693, 665 is 1.

Therefore, GCD of numbers 685, 544, 693, 665 is 1

Given Input Data is 685, 544, 693, 665

Make a list of Prime Factors of all the given numbers initially

Prime Factorization of 685 is 5 x 137

Prime Factorization of 544 is 2 x 2 x 2 x 2 x 2 x 17

Prime Factorization of 693 is 3 x 3 x 7 x 11

Prime Factorization of 665 is 5 x 7 x 19

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

Step1:

Let's calculate the GCD of first two numbers

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

LCM(685, 544) = 372640

GCD(685, 544) = ( 685 x 544 ) / 372640

GCD(685, 544) = 372640 / 372640

GCD(685, 544) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 693

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

LCM(1, 693) = 693

GCD(1, 693) = ( 1 x 693 ) / 693

GCD(1, 693) = 693 / 693

GCD(1, 693) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 665

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

LCM(1, 665) = 665

GCD(1, 665) = ( 1 x 665 ) / 665

GCD(1, 665) = 665 / 665

GCD(1, 665) = 1

GCD of 685, 544, 693, 665 is 1

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1. What is the GCD of 685, 544, 693, 665?

GCD of 685, 544, 693, 665 is 1

2. Where do I get the detailed procedure to find GCD of 685, 544, 693, 665?

You can find a detailed procedure to find GCD of 685, 544, 693, 665 on our page.

3. How to find GCD of 685, 544, 693, 665 on a calculator?

You can find the GCD of 685, 544, 693, 665 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.