GCD of 687, 638, 273, 189 Calculator

Given Input numbers are 687, 638, 273, 189

In the factoring method, we have to find the divisors of all numbers

Divisors of 687 :

The positive integer divisors of 687 that completely divides 687 are.

1, 3, 229, 687

Divisors of 638 :

The positive integer divisors of 638 that completely divides 638 are.

1, 2, 11, 22, 29, 58, 319, 638

Divisors of 273 :

The positive integer divisors of 273 that completely divides 273 are.

1, 3, 7, 13, 21, 39, 91, 273

Divisors of 189 :

The positive integer divisors of 189 that completely divides 189 are.

1, 3, 7, 9, 21, 27, 63, 189

GCD of numbers is the greatest common divisor

So, the GCD (687, 638, 273, 189) = 1.

Given numbers are 687, 638, 273, 189

The list of prime factors of all numbers are

Prime factors of 687 are 3 x 229

Prime factors of 638 are 2 x 11 x 29

Prime factors of 273 are 3 x 7 x 13

Prime factors of 189 are 3 x 3 x 3 x 7

The above numbers do not have any common prime factor. So GCD is 1

Given numbers are 687, 638, 273, 189

GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)

Apply this formula for all numbers.

Step1:

LCM(687, 638) = 438306

GCD(687, 638) = ( 687 x 638 ) / 438306

= 687 / 638

= 687

Step2:

LCM(1, 273) = 273

GCD(1, 273) = ( 1 x 273 ) / 273

= 1 / 273

= 1

Step3:

LCM(1, 189) = 189

GCD(1, 189) = ( 1 x 189 ) / 189

= 1 / 189

= 1

So, Greatest Common Divisor of 687, 638, 273, 189 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 513, 433, 847, 909
• GCD of 755, 219, 502, 187
• GCD of 806, 442, 497, 940
• GCD of 783, 390, 995, 752
• GCD of 467, 582, 492, 390

Given numbers are 687, 638, 273, 189
The greatest common divisor of numbers 687, 638, 273, 189 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 687, 638, 273, 189 is 1.

1. What is the GCD of 687, 638, 273, 189?

GCD of given numbers 687, 638, 273, 189 is 1

2. How to calculate the greatest common divisor of 687, 638, 273, 189?

We can find the highest common divisor of 687, 638, 273, 189 easily using the prime factorization method. Just list the prime factors of all numbers and pick the highest common factor which is the GCD of 687, 638, 273, 189 i.e 1.

3. How can I use the GCD of 687, 638, 273, 189Calculator?

Out the numbers 687, 638, 273, 189 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.