GCD of 686, 989, 538 Calculator

Given Input numbers are 686, 989, 538

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

Divisors of 686 :

The positive integer divisors of 686 that completely divides 686 are.

1, 2, 7, 14, 49, 98, 343, 686

Divisors of 989 :

The positive integer divisors of 989 that completely divides 989 are.

1, 23, 43, 989

Divisors of 538 :

The positive integer divisors of 538 that completely divides 538 are.

1, 2, 269, 538

GCD of numbers is the greatest common divisor

So, the GCD (686, 989, 538) = 1.

Given numbers are 686, 989, 538

The list of prime factors of all numbers are

Prime factors of 686 are 2 x 7 x 7 x 7

Prime factors of 989 are 23 x 43

Prime factors of 538 are 2 x 269

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

Given numbers are 686, 989, 538

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

Apply this formula for all numbers.

Step1:

LCM(686, 989) = 678454

GCD(686, 989) = ( 686 x 989 ) / 678454

= 686 / 989

= 686

Step2:

LCM(1, 538) = 538

GCD(1, 538) = ( 1 x 538 ) / 538

= 1 / 538

= 1

So, Greatest Common Divisor of 686, 989, 538 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 299, 527, 479
• GCD of 422, 305, 274
• GCD of 321, 314, 769
• GCD of 457, 165, 360
• GCD of 729, 947, 327

Given numbers are 686, 989, 538
The greatest common divisor of numbers 686, 989, 538 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 686, 989, 538 is 1.

1. What is the GCD of 686, 989, 538?

GCD of given numbers 686, 989, 538 is 1

2. How to calculate the greatest common divisor of 686, 989, 538?

We can find the highest common divisor of 686, 989, 538 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 686, 989, 538 i.e 1.

3. How can I use the GCD of 686, 989, 538Calculator?

Out the numbers 686, 989, 538 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.