GCD of 247, 945, 63, 388 Calculator

Given Input numbers are 247, 945, 63, 388

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

Divisors of 247

List of positive integer divisors of 247 that divides 247 without a remainder.

1, 13, 19, 247

Divisors of 945

List of positive integer divisors of 945 that divides 945 without a remainder.

1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945

Divisors of 63

List of positive integer divisors of 63 that divides 63 without a remainder.

1, 3, 7, 9, 21, 63

Divisors of 388

List of positive integer divisors of 388 that divides 388 without a remainder.

1, 2, 4, 97, 194, 388

Greatest Common Divisior

We found the divisors of 247, 945, 63, 388 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 247, 945, 63, 388 is 1.

Therefore, GCD of numbers 247, 945, 63, 388 is 1

Given Input Data is 247, 945, 63, 388

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

Prime Factorization of 247 is 13 x 19

Prime Factorization of 945 is 3 x 3 x 3 x 5 x 7

Prime Factorization of 63 is 3 x 3 x 7

Prime Factorization of 388 is 2 x 2 x 97

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(247, 945) = 233415

GCD(247, 945) = ( 247 x 945 ) / 233415

GCD(247, 945) = 233415 / 233415

GCD(247, 945) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 63

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

LCM(1, 63) = 63

GCD(1, 63) = ( 1 x 63 ) / 63

GCD(1, 63) = 63 / 63

GCD(1, 63) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 388

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

LCM(1, 388) = 388

GCD(1, 388) = ( 1 x 388 ) / 388

GCD(1, 388) = 388 / 388

GCD(1, 388) = 1

GCD of 247, 945, 63, 388 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 770, 278, 99, 966
• GCD of 132, 716, 10, 445
• GCD of 311, 594, 22, 665
• GCD of 251, 801, 32, 977
• GCD of 478, 441, 98, 847

1. What is the GCD of 247, 945, 63, 388?

GCD of 247, 945, 63, 388 is 1

2. Where do I get the detailed procedure to find GCD of 247, 945, 63, 388?

You can find a detailed procedure to find GCD of 247, 945, 63, 388 on our page.

3. How to find GCD of 247, 945, 63, 388 on a calculator?

You can find the GCD of 247, 945, 63, 388 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.