GCD of 861, 685, 654, 719 Calculator

Given Input numbers are 861, 685, 654, 719

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

Divisors of 861

List of positive integer divisors of 861 that divides 861 without a remainder.

1, 3, 7, 21, 41, 123, 287, 861

Divisors of 685

List of positive integer divisors of 685 that divides 685 without a remainder.

1, 5, 137, 685

Divisors of 654

List of positive integer divisors of 654 that divides 654 without a remainder.

1, 2, 3, 6, 109, 218, 327, 654

Divisors of 719

List of positive integer divisors of 719 that divides 719 without a remainder.

1, 719

Greatest Common Divisior

We found the divisors of 861, 685, 654, 719 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 861, 685, 654, 719 is 1.

Therefore, GCD of numbers 861, 685, 654, 719 is 1

Given Input Data is 861, 685, 654, 719

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

Prime Factorization of 861 is 3 x 7 x 41

Prime Factorization of 685 is 5 x 137

Prime Factorization of 654 is 2 x 3 x 109

Prime Factorization of 719 is 719

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(861, 685) = 589785

GCD(861, 685) = ( 861 x 685 ) / 589785

GCD(861, 685) = 589785 / 589785

GCD(861, 685) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 654

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

LCM(1, 654) = 654

GCD(1, 654) = ( 1 x 654 ) / 654

GCD(1, 654) = 654 / 654

GCD(1, 654) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 719

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

LCM(1, 719) = 719

GCD(1, 719) = ( 1 x 719 ) / 719

GCD(1, 719) = 719 / 719

GCD(1, 719) = 1

GCD of 861, 685, 654, 719 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 349, 988, 363, 197
• GCD of 172, 319, 949, 421
• GCD of 252, 548, 213, 424
• GCD of 292, 208, 371, 859
• GCD of 809, 495, 475, 200

1. What is the GCD of 861, 685, 654, 719?

GCD of 861, 685, 654, 719 is 1

2. Where do I get the detailed procedure to find GCD of 861, 685, 654, 719?

You can find a detailed procedure to find GCD of 861, 685, 654, 719 on our page.

3. How to find GCD of 861, 685, 654, 719 on a calculator?

You can find the GCD of 861, 685, 654, 719 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.