GCD of 561, 849, 78, 787 Calculator

Given Input numbers are 561, 849, 78, 787

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

Divisors of 561 :

The positive integer divisors of 561 that completely divides 561 are.

1, 3, 11, 17, 33, 51, 187, 561

Divisors of 849 :

The positive integer divisors of 849 that completely divides 849 are.

1, 3, 283, 849

Divisors of 78 :

The positive integer divisors of 78 that completely divides 78 are.

1, 2, 3, 6, 13, 26, 39, 78

Divisors of 787 :

The positive integer divisors of 787 that completely divides 787 are.

1, 787

GCD of numbers is the greatest common divisor

So, the GCD (561, 849, 78, 787) = 1.

Given numbers are 561, 849, 78, 787

The list of prime factors of all numbers are

Prime factors of 561 are 3 x 11 x 17

Prime factors of 849 are 3 x 283

Prime factors of 78 are 2 x 3 x 13

Prime factors of 787 are 787

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

Given numbers are 561, 849, 78, 787

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

Apply this formula for all numbers.

Step1:

LCM(561, 849) = 158763

GCD(561, 849) = ( 561 x 849 ) / 158763

= 561 / 849

= 561

Step2:

LCM(3, 78) = 78

GCD(3, 78) = ( 3 x 78 ) / 78

= 3 / 78

= 3

Step3:

LCM(3, 787) = 2361

GCD(3, 787) = ( 3 x 787 ) / 2361

= 3 / 787

= 3

So, Greatest Common Divisor of 561, 849, 78, 787 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 758, 782, 65, 562
• GCD of 586, 603, 11, 345
• GCD of 319, 879, 91, 368
• GCD of 660, 173, 23, 849
• GCD of 311, 552, 83, 736

Given numbers are 561, 849, 78, 787
The greatest common divisor of numbers 561, 849, 78, 787 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 561, 849, 78, 787 is 1.

1. What is the GCD of 561, 849, 78, 787?

GCD of given numbers 561, 849, 78, 787 is 1

2. How to calculate the greatest common divisor of 561, 849, 78, 787?

We can find the highest common divisor of 561, 849, 78, 787 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 561, 849, 78, 787 i.e 1.

3. How can I use the GCD of 561, 849, 78, 787Calculator?

Out the numbers 561, 849, 78, 787 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.