GCD of 164, 664, 561, 247 Calculator

Given Input numbers are 164, 664, 561, 247

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

Divisors of 164 :

The positive integer divisors of 164 that completely divides 164 are.

1, 2, 4, 41, 82, 164

Divisors of 664 :

The positive integer divisors of 664 that completely divides 664 are.

1, 2, 4, 8, 83, 166, 332, 664

Divisors of 561 :

The positive integer divisors of 561 that completely divides 561 are.

1, 3, 11, 17, 33, 51, 187, 561

Divisors of 247 :

The positive integer divisors of 247 that completely divides 247 are.

1, 13, 19, 247

GCD of numbers is the greatest common divisor

So, the GCD (164, 664, 561, 247) = 1.

Given numbers are 164, 664, 561, 247

The list of prime factors of all numbers are

Prime factors of 164 are 2 x 2 x 41

Prime factors of 664 are 2 x 2 x 2 x 83

Prime factors of 561 are 3 x 11 x 17

Prime factors of 247 are 13 x 19

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

Given numbers are 164, 664, 561, 247

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

Apply this formula for all numbers.

Step1:

LCM(164, 664) = 27224

GCD(164, 664) = ( 164 x 664 ) / 27224

= 164 / 664

= 164

Step2:

LCM(4, 561) = 2244

GCD(4, 561) = ( 4 x 561 ) / 2244

= 4 / 561

= 4

Step3:

LCM(1, 247) = 247

GCD(1, 247) = ( 1 x 247 ) / 247

= 1 / 247

= 1

So, Greatest Common Divisor of 164, 664, 561, 247 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 193, 222, 897, 187
• GCD of 752, 560, 524, 800
• GCD of 730, 889, 441, 921
• GCD of 239, 465, 648, 985
• GCD of 287, 734, 450, 343

Given numbers are 164, 664, 561, 247
The greatest common divisor of numbers 164, 664, 561, 247 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 164, 664, 561, 247 is 1.

1. What is the GCD of 164, 664, 561, 247?

GCD of given numbers 164, 664, 561, 247 is 1

2. How to calculate the greatest common divisor of 164, 664, 561, 247?

We can find the highest common divisor of 164, 664, 561, 247 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 164, 664, 561, 247 i.e 1.

3. How can I use the GCD of 164, 664, 561, 247Calculator?

Out the numbers 164, 664, 561, 247 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.