GCD of 407, 320, 787 Calculator

Given Input numbers are 407, 320, 787

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

Divisors of 407

List of positive integer divisors of 407 that divides 407 without a remainder.

1, 11, 37, 407

Divisors of 320

List of positive integer divisors of 320 that divides 320 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320

Divisors of 787

List of positive integer divisors of 787 that divides 787 without a remainder.

1, 787

Greatest Common Divisior

We found the divisors of 407, 320, 787 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 407, 320, 787 is 1.

Therefore, GCD of numbers 407, 320, 787 is 1

Given Input Data is 407, 320, 787

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

Prime Factorization of 407 is 11 x 37

Prime Factorization of 320 is 2 x 2 x 2 x 2 x 2 x 2 x 5

Prime Factorization of 787 is 787

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(407, 320) = 130240

GCD(407, 320) = ( 407 x 320 ) / 130240

GCD(407, 320) = 130240 / 130240

GCD(407, 320) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 787

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

LCM(1, 787) = 787

GCD(1, 787) = ( 1 x 787 ) / 787

GCD(1, 787) = 787 / 787

GCD(1, 787) = 1

GCD of 407, 320, 787 is 1

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1. What is the GCD of 407, 320, 787?

GCD of 407, 320, 787 is 1

2. Where do I get the detailed procedure to find GCD of 407, 320, 787?

You can find a detailed procedure to find GCD of 407, 320, 787 on our page.

3. How to find GCD of 407, 320, 787 on a calculator?

You can find the GCD of 407, 320, 787 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.