GCD of 645, 399, 59, 797 Calculator

Given Input numbers are 645, 399, 59, 797

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

Divisors of 645

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

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

Divisors of 399

List of positive integer divisors of 399 that divides 399 without a remainder.

1, 3, 7, 19, 21, 57, 133, 399

Divisors of 59

List of positive integer divisors of 59 that divides 59 without a remainder.

1, 59

Divisors of 797

List of positive integer divisors of 797 that divides 797 without a remainder.

1, 797

Greatest Common Divisior

We found the divisors of 645, 399, 59, 797 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 645, 399, 59, 797 is 1.

Therefore, GCD of numbers 645, 399, 59, 797 is 1

Given Input Data is 645, 399, 59, 797

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

Prime Factorization of 645 is 3 x 5 x 43

Prime Factorization of 399 is 3 x 7 x 19

Prime Factorization of 59 is 59

Prime Factorization of 797 is 797

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(645, 399) = 85785

GCD(645, 399) = ( 645 x 399 ) / 85785

GCD(645, 399) = 257355 / 85785

GCD(645, 399) = 3

Step2:

Here we consider the GCD from the above i.e. 3 as first number and the next as 59

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

LCM(3, 59) = 177

GCD(3, 59) = ( 3 x 59 ) / 177

GCD(3, 59) = 177 / 177

GCD(3, 59) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 797

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

LCM(1, 797) = 797

GCD(1, 797) = ( 1 x 797 ) / 797

GCD(1, 797) = 797 / 797

GCD(1, 797) = 1

GCD of 645, 399, 59, 797 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 728, 401, 79, 964
• GCD of 227, 945, 17, 382
• GCD of 842, 615, 48, 688
• GCD of 807, 202, 58, 894
• GCD of 813, 257, 24, 743

1. What is the GCD of 645, 399, 59, 797?

GCD of 645, 399, 59, 797 is 1

2. Where do I get the detailed procedure to find GCD of 645, 399, 59, 797?

You can find a detailed procedure to find GCD of 645, 399, 59, 797 on our page.

3. How to find GCD of 645, 399, 59, 797 on a calculator?

You can find the GCD of 645, 399, 59, 797 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.