GCD of 640, 955, 832, 401 Calculator

Given Input numbers are 640, 955, 832, 401

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

Divisors of 640

List of positive integer divisors of 640 that divides 640 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640

Divisors of 955

List of positive integer divisors of 955 that divides 955 without a remainder.

1, 5, 191, 955

Divisors of 832

List of positive integer divisors of 832 that divides 832 without a remainder.

1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832

Divisors of 401

List of positive integer divisors of 401 that divides 401 without a remainder.

1, 401

Greatest Common Divisior

We found the divisors of 640, 955, 832, 401 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 640, 955, 832, 401 is 1.

Therefore, GCD of numbers 640, 955, 832, 401 is 1

Given Input Data is 640, 955, 832, 401

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

Prime Factorization of 640 is 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5

Prime Factorization of 955 is 5 x 191

Prime Factorization of 832 is 2 x 2 x 2 x 2 x 2 x 2 x 13

Prime Factorization of 401 is 401

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(640, 955) = 122240

GCD(640, 955) = ( 640 x 955 ) / 122240

GCD(640, 955) = 611200 / 122240

GCD(640, 955) = 5

Step2:

Here we consider the GCD from the above i.e. 5 as first number and the next as 832

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

LCM(5, 832) = 4160

GCD(5, 832) = ( 5 x 832 ) / 4160

GCD(5, 832) = 4160 / 4160

GCD(5, 832) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 401

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

LCM(1, 401) = 401

GCD(1, 401) = ( 1 x 401 ) / 401

GCD(1, 401) = 401 / 401

GCD(1, 401) = 1

GCD of 640, 955, 832, 401 is 1

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1. What is the GCD of 640, 955, 832, 401?

GCD of 640, 955, 832, 401 is 1

2. Where do I get the detailed procedure to find GCD of 640, 955, 832, 401?

You can find a detailed procedure to find GCD of 640, 955, 832, 401 on our page.

3. How to find GCD of 640, 955, 832, 401 on a calculator?

You can find the GCD of 640, 955, 832, 401 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.