GCD of 858, 290, 257, 528 Calculator

Given Input numbers are 858, 290, 257, 528

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

Divisors of 858

List of positive integer divisors of 858 that divides 858 without a remainder.

1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858

Divisors of 290

List of positive integer divisors of 290 that divides 290 without a remainder.

1, 2, 5, 10, 29, 58, 145, 290

Divisors of 257

List of positive integer divisors of 257 that divides 257 without a remainder.

1, 257

Divisors of 528

List of positive integer divisors of 528 that divides 528 without a remainder.

1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528

Greatest Common Divisior

We found the divisors of 858, 290, 257, 528 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 858, 290, 257, 528 is 1.

Therefore, GCD of numbers 858, 290, 257, 528 is 1

Given Input Data is 858, 290, 257, 528

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

Prime Factorization of 858 is 2 x 3 x 11 x 13

Prime Factorization of 290 is 2 x 5 x 29

Prime Factorization of 257 is 257

Prime Factorization of 528 is 2 x 2 x 2 x 2 x 3 x 11

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(858, 290) = 124410

GCD(858, 290) = ( 858 x 290 ) / 124410

GCD(858, 290) = 248820 / 124410

GCD(858, 290) = 2

Step2:

Here we consider the GCD from the above i.e. 2 as first number and the next as 257

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

LCM(2, 257) = 514

GCD(2, 257) = ( 2 x 257 ) / 514

GCD(2, 257) = 514 / 514

GCD(2, 257) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 528

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

LCM(1, 528) = 528

GCD(1, 528) = ( 1 x 528 ) / 528

GCD(1, 528) = 528 / 528

GCD(1, 528) = 1

GCD of 858, 290, 257, 528 is 1

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1. What is the GCD of 858, 290, 257, 528?

GCD of 858, 290, 257, 528 is 1

2. Where do I get the detailed procedure to find GCD of 858, 290, 257, 528?

You can find a detailed procedure to find GCD of 858, 290, 257, 528 on our page.

3. How to find GCD of 858, 290, 257, 528 on a calculator?

You can find the GCD of 858, 290, 257, 528 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.