GCD of 484, 630, 15, 805 Calculator

Given Input numbers are 484, 630, 15, 805

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

Divisors of 484

List of positive integer divisors of 484 that divides 484 without a remainder.

1, 2, 4, 11, 22, 44, 121, 242, 484

Divisors of 630

List of positive integer divisors of 630 that divides 630 without a remainder.

1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630

Divisors of 15

List of positive integer divisors of 15 that divides 15 without a remainder.

1, 3, 5, 15

Divisors of 805

List of positive integer divisors of 805 that divides 805 without a remainder.

1, 5, 7, 23, 35, 115, 161, 805

Greatest Common Divisior

We found the divisors of 484, 630, 15, 805 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 484, 630, 15, 805 is 1.

Therefore, GCD of numbers 484, 630, 15, 805 is 1

Given Input Data is 484, 630, 15, 805

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

Prime Factorization of 484 is 2 x 2 x 11 x 11

Prime Factorization of 630 is 2 x 3 x 3 x 5 x 7

Prime Factorization of 15 is 3 x 5

Prime Factorization of 805 is 5 x 7 x 23

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(484, 630) = 152460

GCD(484, 630) = ( 484 x 630 ) / 152460

GCD(484, 630) = 304920 / 152460

GCD(484, 630) = 2

Step2:

Here we consider the GCD from the above i.e. 2 as first number and the next as 15

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

LCM(2, 15) = 30

GCD(2, 15) = ( 2 x 15 ) / 30

GCD(2, 15) = 30 / 30

GCD(2, 15) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 805

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

LCM(1, 805) = 805

GCD(1, 805) = ( 1 x 805 ) / 805

GCD(1, 805) = 805 / 805

GCD(1, 805) = 1

GCD of 484, 630, 15, 805 is 1

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1. What is the GCD of 484, 630, 15, 805?

GCD of 484, 630, 15, 805 is 1

2. Where do I get the detailed procedure to find GCD of 484, 630, 15, 805?

You can find a detailed procedure to find GCD of 484, 630, 15, 805 on our page.

3. How to find GCD of 484, 630, 15, 805 on a calculator?

You can find the GCD of 484, 630, 15, 805 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.