GCD of 388, 418, 972, 821 Calculator

Given Input numbers are 388, 418, 972, 821

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

Divisors of 388 :

The positive integer divisors of 388 that completely divides 388 are.

1, 2, 4, 97, 194, 388

Divisors of 418 :

The positive integer divisors of 418 that completely divides 418 are.

1, 2, 11, 19, 22, 38, 209, 418

Divisors of 972 :

The positive integer divisors of 972 that completely divides 972 are.

1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972

Divisors of 821 :

The positive integer divisors of 821 that completely divides 821 are.

1, 821

GCD of numbers is the greatest common divisor

So, the GCD (388, 418, 972, 821) = 1.

Given numbers are 388, 418, 972, 821

The list of prime factors of all numbers are

Prime factors of 388 are 2 x 2 x 97

Prime factors of 418 are 2 x 11 x 19

Prime factors of 972 are 2 x 2 x 3 x 3 x 3 x 3 x 3

Prime factors of 821 are 821

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

Given numbers are 388, 418, 972, 821

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

Apply this formula for all numbers.

Step1:

LCM(388, 418) = 81092

GCD(388, 418) = ( 388 x 418 ) / 81092

= 388 / 418

= 388

Step2:

LCM(2, 972) = 972

GCD(2, 972) = ( 2 x 972 ) / 972

= 2 / 972

= 2

Step3:

LCM(2, 821) = 1642

GCD(2, 821) = ( 2 x 821 ) / 1642

= 2 / 821

= 2

So, Greatest Common Divisor of 388, 418, 972, 821 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 695, 270, 407, 204
• GCD of 612, 775, 705, 132
• GCD of 300, 400, 765, 933
• GCD of 383, 747, 759, 373
• GCD of 734, 696, 980, 596

Given numbers are 388, 418, 972, 821
The greatest common divisor of numbers 388, 418, 972, 821 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 388, 418, 972, 821 is 1.

1. What is the GCD of 388, 418, 972, 821?

GCD of given numbers 388, 418, 972, 821 is 1

2. How to calculate the greatest common divisor of 388, 418, 972, 821?

We can find the highest common divisor of 388, 418, 972, 821 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 388, 418, 972, 821 i.e 1.

3. How can I use the GCD of 388, 418, 972, 821Calculator?

Out the numbers 388, 418, 972, 821 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.