GCD of 855, 221, 521, 388 Calculator

Given Input numbers are 855, 221, 521, 388

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

Divisors of 855 :

The positive integer divisors of 855 that completely divides 855 are.

1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855

Divisors of 221 :

The positive integer divisors of 221 that completely divides 221 are.

1, 13, 17, 221

Divisors of 521 :

The positive integer divisors of 521 that completely divides 521 are.

1, 521

Divisors of 388 :

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

1, 2, 4, 97, 194, 388

GCD of numbers is the greatest common divisor

So, the GCD (855, 221, 521, 388) = 1.

Given numbers are 855, 221, 521, 388

The list of prime factors of all numbers are

Prime factors of 855 are 3 x 3 x 5 x 19

Prime factors of 221 are 13 x 17

Prime factors of 521 are 521

Prime factors of 388 are 2 x 2 x 97

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

Given numbers are 855, 221, 521, 388

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

Apply this formula for all numbers.

Step1:

LCM(855, 221) = 188955

GCD(855, 221) = ( 855 x 221 ) / 188955

= 855 / 221

= 855

Step2:

LCM(1, 521) = 521

GCD(1, 521) = ( 1 x 521 ) / 521

= 1 / 521

= 1

Step3:

LCM(1, 388) = 388

GCD(1, 388) = ( 1 x 388 ) / 388

= 1 / 388

= 1

So, Greatest Common Divisor of 855, 221, 521, 388 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 337, 850, 683, 275
• GCD of 367, 615, 413, 861
• GCD of 462, 118, 484, 266
• GCD of 510, 142, 687, 970
• GCD of 649, 758, 620, 497

Given numbers are 855, 221, 521, 388
The greatest common divisor of numbers 855, 221, 521, 388 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 855, 221, 521, 388 is 1.

1. What is the GCD of 855, 221, 521, 388?

GCD of given numbers 855, 221, 521, 388 is 1

2. How to calculate the greatest common divisor of 855, 221, 521, 388?

We can find the highest common divisor of 855, 221, 521, 388 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 855, 221, 521, 388 i.e 1.

3. How can I use the GCD of 855, 221, 521, 388Calculator?

Out the numbers 855, 221, 521, 388 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.