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GCD of 185, 689, 15 Calculator

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023


Online GCD Calculator is useful to find the GCD of 185, 689, 15 quickly. Get the easiest ways to solve the greatest common divisor of 185, 689, 15 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 185, 689, 15 with Factoring?

Given Input numbers are 185, 689, 15

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

Divisors of 185 :

The positive integer divisors of 185 that completely divides 185 are.

1, 5, 37, 185

Divisors of 689 :

The positive integer divisors of 689 that completely divides 689 are.

1, 13, 53, 689

Divisors of 15 :

The positive integer divisors of 15 that completely divides 15 are.

1, 3, 5, 15


GCD of numbers is the greatest common divisor

So, the GCD (185, 689, 15) = 1.

Find GCD of 185, 689, 15 using Prime Factorization

Given numbers are 185, 689, 15

The list of prime factors of all numbers are

Prime factors of 185 are 5 x 37

Prime factors of 689 are 13 x 53

Prime factors of 15 are 3 x 5

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

Steps to Calculate GCD of 185, 689, 15 using LCM Formula

Given numbers are 185, 689, 15

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

Apply this formula for all numbers.

Step1:

LCM(185, 689) = 127465

GCD(185, 689) = ( 185 x 689 ) / 127465

= 185 / 689

= 185


Step2:

LCM(1, 15) = 15

GCD(1, 15) = ( 1 x 15 ) / 15

= 1 / 15

= 1


So, Greatest Common Divisor of 185, 689, 15 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 185, 689, 15

Given numbers are 185, 689, 15
The greatest common divisor of numbers 185, 689, 15 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 185, 689, 15 is 1.

FAQs on GCD of 185, 689, 15 Calculator

1. What is the GCD of 185, 689, 15?

GCD of given numbers 185, 689, 15 is 1


2. How to calculate the greatest common divisor of 185, 689, 15?

We can find the highest common divisor of 185, 689, 15 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 185, 689, 15 i.e 1.


3. How can I use the GCD of 185, 689, 15Calculator?

Out the numbers 185, 689, 15 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.