GCD of 70, 855, 477, 779 Calculator

Given Input numbers are 70, 855, 477, 779

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

Divisors of 70

List of positive integer divisors of 70 that divides 70 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70

Divisors of 855

List of positive integer divisors of 855 that divides 855 without a remainder.

1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855

Divisors of 477

List of positive integer divisors of 477 that divides 477 without a remainder.

1, 3, 9, 53, 159, 477

Divisors of 779

List of positive integer divisors of 779 that divides 779 without a remainder.

1, 19, 41, 779

Greatest Common Divisior

We found the divisors of 70, 855, 477, 779 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 70, 855, 477, 779 is 1.

Therefore, GCD of numbers 70, 855, 477, 779 is 1

Given Input Data is 70, 855, 477, 779

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

Prime Factorization of 70 is 2 x 5 x 7

Prime Factorization of 855 is 3 x 3 x 5 x 19

Prime Factorization of 477 is 3 x 3 x 53

Prime Factorization of 779 is 19 x 41

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(70, 855) = 11970

GCD(70, 855) = ( 70 x 855 ) / 11970

GCD(70, 855) = 59850 / 11970

GCD(70, 855) = 5

Step2:

Here we consider the GCD from the above i.e. 5 as first number and the next as 477

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

LCM(5, 477) = 2385

GCD(5, 477) = ( 5 x 477 ) / 2385

GCD(5, 477) = 2385 / 2385

GCD(5, 477) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 779

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

LCM(1, 779) = 779

GCD(1, 779) = ( 1 x 779 ) / 779

GCD(1, 779) = 779 / 779

GCD(1, 779) = 1

GCD of 70, 855, 477, 779 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 56, 285, 968, 935
• GCD of 66, 816, 161, 185
• GCD of 69, 859, 718, 582
• GCD of 25, 380, 308, 548
• GCD of 45, 559, 213, 689

1. What is the GCD of 70, 855, 477, 779?

GCD of 70, 855, 477, 779 is 1

2. Where do I get the detailed procedure to find GCD of 70, 855, 477, 779?

You can find a detailed procedure to find GCD of 70, 855, 477, 779 on our page.

3. How to find GCD of 70, 855, 477, 779 on a calculator?

You can find the GCD of 70, 855, 477, 779 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.