GCD of 955, 864, 644, 721 Calculator

Given Input numbers are 955, 864, 644, 721

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

Divisors of 955 :

The positive integer divisors of 955 that completely divides 955 are.

1, 5, 191, 955

Divisors of 864 :

The positive integer divisors of 864 that completely divides 864 are.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864

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 721 :

The positive integer divisors of 721 that completely divides 721 are.

1, 7, 103, 721

GCD of numbers is the greatest common divisor

So, the GCD (955, 864, 644, 721) = 1.

Given numbers are 955, 864, 644, 721

The list of prime factors of all numbers are

Prime factors of 955 are 5 x 191

Prime factors of 864 are 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3

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

Prime factors of 721 are 7 x 103

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

Given numbers are 955, 864, 644, 721

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

Apply this formula for all numbers.

Step1:

LCM(955, 864) = 825120

GCD(955, 864) = ( 955 x 864 ) / 825120

= 955 / 864

= 955

Step2:

LCM(1, 644) = 644

GCD(1, 644) = ( 1 x 644 ) / 644

= 1 / 644

= 1

Step3:

LCM(1, 721) = 721

GCD(1, 721) = ( 1 x 721 ) / 721

= 1 / 721

= 1

So, Greatest Common Divisor of 955, 864, 644, 721 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 555, 235, 375, 561
• GCD of 149, 339, 201, 583
• GCD of 209, 183, 678, 545
• GCD of 786, 230, 377, 660
• GCD of 199, 162, 639, 273

Given numbers are 955, 864, 644, 721
The greatest common divisor of numbers 955, 864, 644, 721 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 955, 864, 644, 721 is 1.

1. What is the GCD of 955, 864, 644, 721?

GCD of given numbers 955, 864, 644, 721 is 1

2. How to calculate the greatest common divisor of 955, 864, 644, 721?

We can find the highest common divisor of 955, 864, 644, 721 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 955, 864, 644, 721 i.e 1.

3. How can I use the GCD of 955, 864, 644, 721Calculator?

Out the numbers 955, 864, 644, 721 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.