GCD of 77, 237, 520, 249 Calculator

Given Input numbers are 77, 237, 520, 249

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

Divisors of 77

List of positive integer divisors of 77 that divides 77 without a remainder.

1, 7, 11, 77

Divisors of 237

List of positive integer divisors of 237 that divides 237 without a remainder.

1, 3, 79, 237

Divisors of 520

List of positive integer divisors of 520 that divides 520 without a remainder.

1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520

Divisors of 249

List of positive integer divisors of 249 that divides 249 without a remainder.

1, 3, 83, 249

Greatest Common Divisior

We found the divisors of 77, 237, 520, 249 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 77, 237, 520, 249 is 1.

Therefore, GCD of numbers 77, 237, 520, 249 is 1

Given Input Data is 77, 237, 520, 249

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

Prime Factorization of 77 is 7 x 11

Prime Factorization of 237 is 3 x 79

Prime Factorization of 520 is 2 x 2 x 2 x 5 x 13

Prime Factorization of 249 is 3 x 83

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(77, 237) = 18249

GCD(77, 237) = ( 77 x 237 ) / 18249

GCD(77, 237) = 18249 / 18249

GCD(77, 237) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 520

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

LCM(1, 520) = 520

GCD(1, 520) = ( 1 x 520 ) / 520

GCD(1, 520) = 520 / 520

GCD(1, 520) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 249

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

LCM(1, 249) = 249

GCD(1, 249) = ( 1 x 249 ) / 249

GCD(1, 249) = 249 / 249

GCD(1, 249) = 1

GCD of 77, 237, 520, 249 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 29, 324, 294, 383
• GCD of 10, 372, 891, 853
• GCD of 28, 136, 926, 486
• GCD of 86, 832, 374, 648
• GCD of 50, 881, 128, 132

1. What is the GCD of 77, 237, 520, 249?

GCD of 77, 237, 520, 249 is 1

2. Where do I get the detailed procedure to find GCD of 77, 237, 520, 249?

You can find a detailed procedure to find GCD of 77, 237, 520, 249 on our page.

3. How to find GCD of 77, 237, 520, 249 on a calculator?

You can find the GCD of 77, 237, 520, 249 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.