GCD of 612, 990, 905, 120 Calculator

Given Input numbers are 612, 990, 905, 120

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

Divisors of 612 :

The positive integer divisors of 612 that completely divides 612 are.

1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612

Divisors of 990 :

The positive integer divisors of 990 that completely divides 990 are.

1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990

Divisors of 905 :

The positive integer divisors of 905 that completely divides 905 are.

1, 5, 181, 905

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

GCD of numbers is the greatest common divisor

So, the GCD (612, 990, 905, 120) = 1.

Given numbers are 612, 990, 905, 120

The list of prime factors of all numbers are

Prime factors of 612 are 2 x 2 x 3 x 3 x 17

Prime factors of 990 are 2 x 3 x 3 x 5 x 11

Prime factors of 905 are 5 x 181

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

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

Given numbers are 612, 990, 905, 120

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

Apply this formula for all numbers.

Step1:

LCM(612, 990) = 33660

GCD(612, 990) = ( 612 x 990 ) / 33660

= 612 / 990

= 612

Step2:

LCM(18, 905) = 16290

GCD(18, 905) = ( 18 x 905 ) / 16290

= 18 / 905

= 18

Step3:

LCM(1, 120) = 120

GCD(1, 120) = ( 1 x 120 ) / 120

= 1 / 120

= 1

So, Greatest Common Divisor of 612, 990, 905, 120 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 256, 430, 562, 986
• GCD of 844, 418, 552, 350
• GCD of 987, 899, 943, 610
• GCD of 629, 869, 302, 606
• GCD of 839, 135, 172, 635

Given numbers are 612, 990, 905, 120
The greatest common divisor of numbers 612, 990, 905, 120 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 612, 990, 905, 120 is 1.

1. What is the GCD of 612, 990, 905, 120?

GCD of given numbers 612, 990, 905, 120 is 1

2. How to calculate the greatest common divisor of 612, 990, 905, 120?

We can find the highest common divisor of 612, 990, 905, 120 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 612, 990, 905, 120 i.e 1.

3. How can I use the GCD of 612, 990, 905, 120Calculator?

Out the numbers 612, 990, 905, 120 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.