GCD of 421, 515, 18, 761 Calculator

Given Input numbers are 421, 515, 18, 761

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

Divisors of 421

List of positive integer divisors of 421 that divides 421 without a remainder.

1, 421

Divisors of 515

List of positive integer divisors of 515 that divides 515 without a remainder.

1, 5, 103, 515

Divisors of 18

List of positive integer divisors of 18 that divides 18 without a remainder.

1, 2, 3, 6, 9, 18

Divisors of 761

List of positive integer divisors of 761 that divides 761 without a remainder.

1, 761

Greatest Common Divisior

We found the divisors of 421, 515, 18, 761 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 421, 515, 18, 761 is 1.

Therefore, GCD of numbers 421, 515, 18, 761 is 1

Given Input Data is 421, 515, 18, 761

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

Prime Factorization of 421 is 421

Prime Factorization of 515 is 5 x 103

Prime Factorization of 18 is 2 x 3 x 3

Prime Factorization of 761 is 761

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(421, 515) = 216815

GCD(421, 515) = ( 421 x 515 ) / 216815

GCD(421, 515) = 216815 / 216815

GCD(421, 515) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 18

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

LCM(1, 18) = 18

GCD(1, 18) = ( 1 x 18 ) / 18

GCD(1, 18) = 18 / 18

GCD(1, 18) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 761

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

LCM(1, 761) = 761

GCD(1, 761) = ( 1 x 761 ) / 761

GCD(1, 761) = 761 / 761

GCD(1, 761) = 1

GCD of 421, 515, 18, 761 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 674, 233, 67, 768
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• GCD of 974, 776, 48, 216
• GCD of 609, 863, 45, 914
• GCD of 699, 376, 46, 156

1. What is the GCD of 421, 515, 18, 761?

GCD of 421, 515, 18, 761 is 1

2. Where do I get the detailed procedure to find GCD of 421, 515, 18, 761?

You can find a detailed procedure to find GCD of 421, 515, 18, 761 on our page.

3. How to find GCD of 421, 515, 18, 761 on a calculator?

You can find the GCD of 421, 515, 18, 761 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.