GCD of 908, 672, 390, 785 Calculator

Given Input numbers are 908, 672, 390, 785

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

Divisors of 908

List of positive integer divisors of 908 that divides 908 without a remainder.

1, 2, 4, 227, 454, 908

Divisors of 672

List of positive integer divisors of 672 that divides 672 without a remainder.

1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672

Divisors of 390

List of positive integer divisors of 390 that divides 390 without a remainder.

1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390

Divisors of 785

List of positive integer divisors of 785 that divides 785 without a remainder.

1, 5, 157, 785

Greatest Common Divisior

We found the divisors of 908, 672, 390, 785 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 908, 672, 390, 785 is 1.

Therefore, GCD of numbers 908, 672, 390, 785 is 1

Given Input Data is 908, 672, 390, 785

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

Prime Factorization of 908 is 2 x 2 x 227

Prime Factorization of 672 is 2 x 2 x 2 x 2 x 2 x 3 x 7

Prime Factorization of 390 is 2 x 3 x 5 x 13

Prime Factorization of 785 is 5 x 157

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(908, 672) = 152544

GCD(908, 672) = ( 908 x 672 ) / 152544

GCD(908, 672) = 610176 / 152544

GCD(908, 672) = 4

Step2:

Here we consider the GCD from the above i.e. 4 as first number and the next as 390

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

LCM(4, 390) = 780

GCD(4, 390) = ( 4 x 390 ) / 780

GCD(4, 390) = 1560 / 780

GCD(4, 390) = 2

Step3:

Here we consider the GCD from the above i.e. 2 as first number and the next as 785

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

LCM(2, 785) = 1570

GCD(2, 785) = ( 2 x 785 ) / 1570

GCD(2, 785) = 1570 / 1570

GCD(2, 785) = 1

GCD of 908, 672, 390, 785 is 1

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1. What is the GCD of 908, 672, 390, 785?

GCD of 908, 672, 390, 785 is 1

2. Where do I get the detailed procedure to find GCD of 908, 672, 390, 785?

You can find a detailed procedure to find GCD of 908, 672, 390, 785 on our page.

3. How to find GCD of 908, 672, 390, 785 on a calculator?

You can find the GCD of 908, 672, 390, 785 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.