GCD of 423, 447, 390, 790 Calculator

Given Input numbers are 423, 447, 390, 790

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

Divisors of 423 :

The positive integer divisors of 423 that completely divides 423 are.

1, 3, 9, 47, 141, 423

Divisors of 447 :

The positive integer divisors of 447 that completely divides 447 are.

1, 3, 149, 447

Divisors of 390 :

The positive integer divisors of 390 that completely divides 390 are.

1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390

Divisors of 790 :

The positive integer divisors of 790 that completely divides 790 are.

1, 2, 5, 10, 79, 158, 395, 790

GCD of numbers is the greatest common divisor

So, the GCD (423, 447, 390, 790) = 1.

Given numbers are 423, 447, 390, 790

The list of prime factors of all numbers are

Prime factors of 423 are 3 x 3 x 47

Prime factors of 447 are 3 x 149

Prime factors of 390 are 2 x 3 x 5 x 13

Prime factors of 790 are 2 x 5 x 79

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

Given numbers are 423, 447, 390, 790

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

Apply this formula for all numbers.

Step1:

LCM(423, 447) = 63027

GCD(423, 447) = ( 423 x 447 ) / 63027

= 423 / 447

= 423

Step2:

LCM(3, 390) = 390

GCD(3, 390) = ( 3 x 390 ) / 390

= 3 / 390

= 3

Step3:

LCM(3, 790) = 2370

GCD(3, 790) = ( 3 x 790 ) / 2370

= 3 / 790

= 3

So, Greatest Common Divisor of 423, 447, 390, 790 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 590, 303, 250, 569
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• GCD of 704, 410, 300, 291
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• GCD of 614, 218, 683, 976

Given numbers are 423, 447, 390, 790
The greatest common divisor of numbers 423, 447, 390, 790 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 423, 447, 390, 790 is 1.

1. What is the GCD of 423, 447, 390, 790?

GCD of given numbers 423, 447, 390, 790 is 1

2. How to calculate the greatest common divisor of 423, 447, 390, 790?

We can find the highest common divisor of 423, 447, 390, 790 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 423, 447, 390, 790 i.e 1.

3. How can I use the GCD of 423, 447, 390, 790Calculator?

Out the numbers 423, 447, 390, 790 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.