GCD of 689, 201, 615, 479 Calculator

Given Input numbers are 689, 201, 615, 479

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

Divisors of 689

List of positive integer divisors of 689 that divides 689 without a remainder.

1, 13, 53, 689

Divisors of 201

List of positive integer divisors of 201 that divides 201 without a remainder.

1, 3, 67, 201

Divisors of 615

List of positive integer divisors of 615 that divides 615 without a remainder.

1, 3, 5, 15, 41, 123, 205, 615

Divisors of 479

List of positive integer divisors of 479 that divides 479 without a remainder.

1, 479

Greatest Common Divisior

We found the divisors of 689, 201, 615, 479 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 689, 201, 615, 479 is 1.

Therefore, GCD of numbers 689, 201, 615, 479 is 1

Given Input Data is 689, 201, 615, 479

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

Prime Factorization of 689 is 13 x 53

Prime Factorization of 201 is 3 x 67

Prime Factorization of 615 is 3 x 5 x 41

Prime Factorization of 479 is 479

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(689, 201) = 138489

GCD(689, 201) = ( 689 x 201 ) / 138489

GCD(689, 201) = 138489 / 138489

GCD(689, 201) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 615

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

LCM(1, 615) = 615

GCD(1, 615) = ( 1 x 615 ) / 615

GCD(1, 615) = 615 / 615

GCD(1, 615) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 479

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

LCM(1, 479) = 479

GCD(1, 479) = ( 1 x 479 ) / 479

GCD(1, 479) = 479 / 479

GCD(1, 479) = 1

GCD of 689, 201, 615, 479 is 1

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1. What is the GCD of 689, 201, 615, 479?

GCD of 689, 201, 615, 479 is 1

2. Where do I get the detailed procedure to find GCD of 689, 201, 615, 479?

You can find a detailed procedure to find GCD of 689, 201, 615, 479 on our page.

3. How to find GCD of 689, 201, 615, 479 on a calculator?

You can find the GCD of 689, 201, 615, 479 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.