GCD of 321, 427, 663, 780 Calculator

Given Input numbers are 321, 427, 663, 780

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

Divisors of 321 :

The positive integer divisors of 321 that completely divides 321 are.

1, 3, 107, 321

Divisors of 427 :

The positive integer divisors of 427 that completely divides 427 are.

1, 7, 61, 427

Divisors of 663 :

The positive integer divisors of 663 that completely divides 663 are.

1, 3, 13, 17, 39, 51, 221, 663

Divisors of 780 :

The positive integer divisors of 780 that completely divides 780 are.

1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780

GCD of numbers is the greatest common divisor

So, the GCD (321, 427, 663, 780) = 1.

Given numbers are 321, 427, 663, 780

The list of prime factors of all numbers are

Prime factors of 321 are 3 x 107

Prime factors of 427 are 7 x 61

Prime factors of 663 are 3 x 13 x 17

Prime factors of 780 are 2 x 2 x 3 x 5 x 13

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

Given numbers are 321, 427, 663, 780

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

Apply this formula for all numbers.

Step1:

LCM(321, 427) = 137067

GCD(321, 427) = ( 321 x 427 ) / 137067

= 321 / 427

= 321

Step2:

LCM(1, 663) = 663

GCD(1, 663) = ( 1 x 663 ) / 663

= 1 / 663

= 1

Step3:

LCM(1, 780) = 780

GCD(1, 780) = ( 1 x 780 ) / 780

= 1 / 780

= 1

So, Greatest Common Divisor of 321, 427, 663, 780 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 534, 666, 719, 792
• GCD of 931, 735, 469, 631
• GCD of 967, 398, 619, 294
• GCD of 259, 164, 637, 107
• GCD of 676, 262, 368, 411

Given numbers are 321, 427, 663, 780
The greatest common divisor of numbers 321, 427, 663, 780 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 321, 427, 663, 780 is 1.

1. What is the GCD of 321, 427, 663, 780?

GCD of given numbers 321, 427, 663, 780 is 1

2. How to calculate the greatest common divisor of 321, 427, 663, 780?

We can find the highest common divisor of 321, 427, 663, 780 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 321, 427, 663, 780 i.e 1.

3. How can I use the GCD of 321, 427, 663, 780Calculator?

Out the numbers 321, 427, 663, 780 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.