GCD of 312, 331, 13, 644 Calculator

Given Input numbers are 312, 331, 13, 644

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

Divisors of 312 :

The positive integer divisors of 312 that completely divides 312 are.

1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312

Divisors of 331 :

The positive integer divisors of 331 that completely divides 331 are.

1, 331

Divisors of 13 :

The positive integer divisors of 13 that completely divides 13 are.

1, 13

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

GCD of numbers is the greatest common divisor

So, the GCD (312, 331, 13, 644) = 1.

Given numbers are 312, 331, 13, 644

The list of prime factors of all numbers are

Prime factors of 312 are 2 x 2 x 2 x 3 x 13

Prime factors of 331 are 331

Prime factors of 13 are 13

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

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

Given numbers are 312, 331, 13, 644

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

Apply this formula for all numbers.

Step1:

LCM(312, 331) = 103272

GCD(312, 331) = ( 312 x 331 ) / 103272

= 312 / 331

= 312

Step2:

LCM(1, 13) = 13

GCD(1, 13) = ( 1 x 13 ) / 13

= 1 / 13

= 1

Step3:

LCM(1, 644) = 644

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

= 1 / 644

= 1

So, Greatest Common Divisor of 312, 331, 13, 644 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 379, 707, 67, 354
• GCD of 418, 137, 54, 720
• GCD of 359, 192, 69, 136
• GCD of 389, 494, 18, 669
• GCD of 656, 627, 86, 332

Given numbers are 312, 331, 13, 644
The greatest common divisor of numbers 312, 331, 13, 644 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 312, 331, 13, 644 is 1.

1. What is the GCD of 312, 331, 13, 644?

GCD of given numbers 312, 331, 13, 644 is 1

2. How to calculate the greatest common divisor of 312, 331, 13, 644?

We can find the highest common divisor of 312, 331, 13, 644 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 312, 331, 13, 644 i.e 1.

3. How can I use the GCD of 312, 331, 13, 644Calculator?

Out the numbers 312, 331, 13, 644 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.