GCD of 382, 644, 128, 817 Calculator

Given Input numbers are 382, 644, 128, 817

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

Divisors of 382 :

The positive integer divisors of 382 that completely divides 382 are.

1, 2, 191, 382

Divisors of 644 :

The positive integer divisors of 644 that completely divides 644 are.

1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644

Divisors of 128 :

The positive integer divisors of 128 that completely divides 128 are.

1, 2, 4, 8, 16, 32, 64, 128

Divisors of 817 :

The positive integer divisors of 817 that completely divides 817 are.

1, 19, 43, 817

GCD of numbers is the greatest common divisor

So, the GCD (382, 644, 128, 817) = 1.

Given numbers are 382, 644, 128, 817

The list of prime factors of all numbers are

Prime factors of 382 are 2 x 191

Prime factors of 644 are 2 x 2 x 7 x 23

Prime factors of 128 are 2 x 2 x 2 x 2 x 2 x 2 x 2

Prime factors of 817 are 19 x 43

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

Given numbers are 382, 644, 128, 817

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

Apply this formula for all numbers.

Step1:

LCM(382, 644) = 123004

GCD(382, 644) = ( 382 x 644 ) / 123004

= 382 / 644

= 382

Step2:

LCM(2, 128) = 128

GCD(2, 128) = ( 2 x 128 ) / 128

= 2 / 128

= 2

Step3:

LCM(2, 817) = 1634

GCD(2, 817) = ( 2 x 817 ) / 1634

= 2 / 817

= 2

So, Greatest Common Divisor of 382, 644, 128, 817 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 245, 299, 831, 751
• GCD of 599, 250, 572, 291
• GCD of 826, 256, 612, 844
• GCD of 212, 696, 572, 292
• GCD of 554, 199, 628, 698

Given numbers are 382, 644, 128, 817
The greatest common divisor of numbers 382, 644, 128, 817 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 382, 644, 128, 817 is 1.

1. What is the GCD of 382, 644, 128, 817?

GCD of given numbers 382, 644, 128, 817 is 1

2. How to calculate the greatest common divisor of 382, 644, 128, 817?

We can find the highest common divisor of 382, 644, 128, 817 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 382, 644, 128, 817 i.e 1.

3. How can I use the GCD of 382, 644, 128, 817Calculator?

Out the numbers 382, 644, 128, 817 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.