GCD of 197, 954, 485, 645 Calculator

Given Input numbers are 197, 954, 485, 645

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

Divisors of 197

List of positive integer divisors of 197 that divides 197 without a remainder.

1, 197

Divisors of 954

List of positive integer divisors of 954 that divides 954 without a remainder.

1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954

Divisors of 485

List of positive integer divisors of 485 that divides 485 without a remainder.

1, 5, 97, 485

Divisors of 645

List of positive integer divisors of 645 that divides 645 without a remainder.

1, 3, 5, 15, 43, 129, 215, 645

Greatest Common Divisior

We found the divisors of 197, 954, 485, 645 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 197, 954, 485, 645 is 1.

Therefore, GCD of numbers 197, 954, 485, 645 is 1

Given Input Data is 197, 954, 485, 645

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

Prime Factorization of 197 is 197

Prime Factorization of 954 is 2 x 3 x 3 x 53

Prime Factorization of 485 is 5 x 97

Prime Factorization of 645 is 3 x 5 x 43

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(197, 954) = 187938

GCD(197, 954) = ( 197 x 954 ) / 187938

GCD(197, 954) = 187938 / 187938

GCD(197, 954) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 485

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

LCM(1, 485) = 485

GCD(1, 485) = ( 1 x 485 ) / 485

GCD(1, 485) = 485 / 485

GCD(1, 485) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 645

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

LCM(1, 645) = 645

GCD(1, 645) = ( 1 x 645 ) / 645

GCD(1, 645) = 645 / 645

GCD(1, 645) = 1

GCD of 197, 954, 485, 645 is 1

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1. What is the GCD of 197, 954, 485, 645?

GCD of 197, 954, 485, 645 is 1

2. Where do I get the detailed procedure to find GCD of 197, 954, 485, 645?

You can find a detailed procedure to find GCD of 197, 954, 485, 645 on our page.

3. How to find GCD of 197, 954, 485, 645 on a calculator?

You can find the GCD of 197, 954, 485, 645 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.