GCD of 120, 447, 36, 646 Calculator

Given Input numbers are 120, 447, 36, 646

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

Divisors of 120 :

The positive integer divisors of 120 that completely divides 120 are.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120

Divisors of 447 :

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

1, 3, 149, 447

Divisors of 36 :

The positive integer divisors of 36 that completely divides 36 are.

1, 2, 3, 4, 6, 9, 12, 18, 36

Divisors of 646 :

The positive integer divisors of 646 that completely divides 646 are.

1, 2, 17, 19, 34, 38, 323, 646

GCD of numbers is the greatest common divisor

So, the GCD (120, 447, 36, 646) = 1.

Given numbers are 120, 447, 36, 646

The list of prime factors of all numbers are

Prime factors of 120 are 2 x 2 x 2 x 3 x 5

Prime factors of 447 are 3 x 149

Prime factors of 36 are 2 x 2 x 3 x 3

Prime factors of 646 are 2 x 17 x 19

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

Given numbers are 120, 447, 36, 646

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

Apply this formula for all numbers.

Step1:

LCM(120, 447) = 17880

GCD(120, 447) = ( 120 x 447 ) / 17880

= 120 / 447

= 120

Step2:

LCM(3, 36) = 36

GCD(3, 36) = ( 3 x 36 ) / 36

= 3 / 36

= 3

Step3:

LCM(3, 646) = 1938

GCD(3, 646) = ( 3 x 646 ) / 1938

= 3 / 646

= 3

So, Greatest Common Divisor of 120, 447, 36, 646 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 416, 247, 54, 381
• GCD of 251, 598, 17, 207
• GCD of 537, 671, 47, 768
• GCD of 273, 129, 89, 673
• GCD of 487, 305, 34, 566

Given numbers are 120, 447, 36, 646
The greatest common divisor of numbers 120, 447, 36, 646 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 120, 447, 36, 646 is 1.

1. What is the GCD of 120, 447, 36, 646?

GCD of given numbers 120, 447, 36, 646 is 1

2. How to calculate the greatest common divisor of 120, 447, 36, 646?

We can find the highest common divisor of 120, 447, 36, 646 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 120, 447, 36, 646 i.e 1.

3. How can I use the GCD of 120, 447, 36, 646Calculator?

Out the numbers 120, 447, 36, 646 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.