GCD of 68, 647, 448, 394 Calculator

Given Input numbers are 68, 647, 448, 394

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

Divisors of 68

List of positive integer divisors of 68 that divides 68 without a remainder.

1, 2, 4, 17, 34, 68

Divisors of 647

List of positive integer divisors of 647 that divides 647 without a remainder.

1, 647

Divisors of 448

List of positive integer divisors of 448 that divides 448 without a remainder.

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448

Divisors of 394

List of positive integer divisors of 394 that divides 394 without a remainder.

1, 2, 197, 394

Greatest Common Divisior

We found the divisors of 68, 647, 448, 394 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 68, 647, 448, 394 is 1.

Therefore, GCD of numbers 68, 647, 448, 394 is 1

Given Input Data is 68, 647, 448, 394

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

Prime Factorization of 68 is 2 x 2 x 17

Prime Factorization of 647 is 647

Prime Factorization of 448 is 2 x 2 x 2 x 2 x 2 x 2 x 7

Prime Factorization of 394 is 2 x 197

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(68, 647) = 43996

GCD(68, 647) = ( 68 x 647 ) / 43996

GCD(68, 647) = 43996 / 43996

GCD(68, 647) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 448

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

LCM(1, 448) = 448

GCD(1, 448) = ( 1 x 448 ) / 448

GCD(1, 448) = 448 / 448

GCD(1, 448) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 394

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

LCM(1, 394) = 394

GCD(1, 394) = ( 1 x 394 ) / 394

GCD(1, 394) = 394 / 394

GCD(1, 394) = 1

GCD of 68, 647, 448, 394 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 99, 119, 699, 820
• GCD of 45, 945, 524, 761
• GCD of 21, 352, 218, 779
• GCD of 19, 760, 319, 541
• GCD of 83, 678, 247, 512

1. What is the GCD of 68, 647, 448, 394?

GCD of 68, 647, 448, 394 is 1

2. Where do I get the detailed procedure to find GCD of 68, 647, 448, 394?

You can find a detailed procedure to find GCD of 68, 647, 448, 394 on our page.

3. How to find GCD of 68, 647, 448, 394 on a calculator?

You can find the GCD of 68, 647, 448, 394 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.