GCD of 622, 840, 642, 841 Calculator

Given Input numbers are 622, 840, 642, 841

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

Divisors of 622

List of positive integer divisors of 622 that divides 622 without a remainder.

1, 2, 311, 622

Divisors of 840

List of positive integer divisors of 840 that divides 840 without a remainder.

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840

Divisors of 642

List of positive integer divisors of 642 that divides 642 without a remainder.

1, 2, 3, 6, 107, 214, 321, 642

Divisors of 841

List of positive integer divisors of 841 that divides 841 without a remainder.

1, 29, 841

Greatest Common Divisior

We found the divisors of 622, 840, 642, 841 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 622, 840, 642, 841 is 1.

Therefore, GCD of numbers 622, 840, 642, 841 is 1

Given Input Data is 622, 840, 642, 841

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

Prime Factorization of 622 is 2 x 311

Prime Factorization of 840 is 2 x 2 x 2 x 3 x 5 x 7

Prime Factorization of 642 is 2 x 3 x 107

Prime Factorization of 841 is 29 x 29

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(622, 840) = 261240

GCD(622, 840) = ( 622 x 840 ) / 261240

GCD(622, 840) = 522480 / 261240

GCD(622, 840) = 2

Step2:

Here we consider the GCD from the above i.e. 2 as first number and the next as 642

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

LCM(2, 642) = 642

GCD(2, 642) = ( 2 x 642 ) / 642

GCD(2, 642) = 1284 / 642

GCD(2, 642) = 2

Step3:

Here we consider the GCD from the above i.e. 2 as first number and the next as 841

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

LCM(2, 841) = 1682

GCD(2, 841) = ( 2 x 841 ) / 1682

GCD(2, 841) = 1682 / 1682

GCD(2, 841) = 1

GCD of 622, 840, 642, 841 is 1

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1. What is the GCD of 622, 840, 642, 841?

GCD of 622, 840, 642, 841 is 1

2. Where do I get the detailed procedure to find GCD of 622, 840, 642, 841?

You can find a detailed procedure to find GCD of 622, 840, 642, 841 on our page.

3. How to find GCD of 622, 840, 642, 841 on a calculator?

You can find the GCD of 622, 840, 642, 841 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.