GCD of 981, 637, 858, 489 Calculator

Given Input numbers are 981, 637, 858, 489

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

Divisors of 981 :

The positive integer divisors of 981 that completely divides 981 are.

1, 3, 9, 109, 327, 981

Divisors of 637 :

The positive integer divisors of 637 that completely divides 637 are.

1, 7, 13, 49, 91, 637

Divisors of 858 :

The positive integer divisors of 858 that completely divides 858 are.

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

Divisors of 489 :

The positive integer divisors of 489 that completely divides 489 are.

1, 3, 163, 489

GCD of numbers is the greatest common divisor

So, the GCD (981, 637, 858, 489) = 1.

Given numbers are 981, 637, 858, 489

The list of prime factors of all numbers are

Prime factors of 981 are 3 x 3 x 109

Prime factors of 637 are 7 x 7 x 13

Prime factors of 858 are 2 x 3 x 11 x 13

Prime factors of 489 are 3 x 163

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

Given numbers are 981, 637, 858, 489

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

Apply this formula for all numbers.

Step1:

LCM(981, 637) = 624897

GCD(981, 637) = ( 981 x 637 ) / 624897

= 981 / 637

= 981

Step2:

LCM(1, 858) = 858

GCD(1, 858) = ( 1 x 858 ) / 858

= 1 / 858

= 1

Step3:

LCM(1, 489) = 489

GCD(1, 489) = ( 1 x 489 ) / 489

= 1 / 489

= 1

So, Greatest Common Divisor of 981, 637, 858, 489 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 242, 128, 283, 979
• GCD of 290, 663, 189, 318
• GCD of 129, 639, 336, 757
• GCD of 752, 325, 309, 849
• GCD of 330, 813, 432, 315

Given numbers are 981, 637, 858, 489
The greatest common divisor of numbers 981, 637, 858, 489 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 981, 637, 858, 489 is 1.

1. What is the GCD of 981, 637, 858, 489?

GCD of given numbers 981, 637, 858, 489 is 1

2. How to calculate the greatest common divisor of 981, 637, 858, 489?

We can find the highest common divisor of 981, 637, 858, 489 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 981, 637, 858, 489 i.e 1.

3. How can I use the GCD of 981, 637, 858, 489Calculator?

Out the numbers 981, 637, 858, 489 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.