GCD of 981, 420, 911, 813 Calculator

Given Input numbers are 981, 420, 911, 813

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 420 :

The positive integer divisors of 420 that completely divides 420 are.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420

Divisors of 911 :

The positive integer divisors of 911 that completely divides 911 are.

1, 911

Divisors of 813 :

The positive integer divisors of 813 that completely divides 813 are.

1, 3, 271, 813

GCD of numbers is the greatest common divisor

So, the GCD (981, 420, 911, 813) = 1.

Given numbers are 981, 420, 911, 813

The list of prime factors of all numbers are

Prime factors of 981 are 3 x 3 x 109

Prime factors of 420 are 2 x 2 x 3 x 5 x 7

Prime factors of 911 are 911

Prime factors of 813 are 3 x 271

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

Given numbers are 981, 420, 911, 813

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

Apply this formula for all numbers.

Step1:

LCM(981, 420) = 137340

GCD(981, 420) = ( 981 x 420 ) / 137340

= 981 / 420

= 981

Step2:

LCM(3, 911) = 2733

GCD(3, 911) = ( 3 x 911 ) / 2733

= 3 / 911

= 3

Step3:

LCM(1, 813) = 813

GCD(1, 813) = ( 1 x 813 ) / 813

= 1 / 813

= 1

So, Greatest Common Divisor of 981, 420, 911, 813 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 891, 261, 740, 280
• GCD of 336, 286, 436, 329
• GCD of 271, 195, 935, 296
• GCD of 138, 436, 322, 474
• GCD of 133, 599, 619, 961

Given numbers are 981, 420, 911, 813
The greatest common divisor of numbers 981, 420, 911, 813 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 981, 420, 911, 813 is 1.

1. What is the GCD of 981, 420, 911, 813?

GCD of given numbers 981, 420, 911, 813 is 1

2. How to calculate the greatest common divisor of 981, 420, 911, 813?

We can find the highest common divisor of 981, 420, 911, 813 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, 420, 911, 813 i.e 1.

3. How can I use the GCD of 981, 420, 911, 813Calculator?

Out the numbers 981, 420, 911, 813 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.