GCD of 861, 965, 864, 865 Calculator

Given Input numbers are 861, 965, 864, 865

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

Divisors of 861 :

The positive integer divisors of 861 that completely divides 861 are.

1, 3, 7, 21, 41, 123, 287, 861

Divisors of 965 :

The positive integer divisors of 965 that completely divides 965 are.

1, 5, 193, 965

Divisors of 864 :

The positive integer divisors of 864 that completely divides 864 are.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864

Divisors of 865 :

The positive integer divisors of 865 that completely divides 865 are.

1, 5, 173, 865

GCD of numbers is the greatest common divisor

So, the GCD (861, 965, 864, 865) = 1.

Given numbers are 861, 965, 864, 865

The list of prime factors of all numbers are

Prime factors of 861 are 3 x 7 x 41

Prime factors of 965 are 5 x 193

Prime factors of 864 are 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3

Prime factors of 865 are 5 x 173

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

Given numbers are 861, 965, 864, 865

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

Apply this formula for all numbers.

Step1:

LCM(861, 965) = 830865

GCD(861, 965) = ( 861 x 965 ) / 830865

= 861 / 965

= 861

Step2:

LCM(1, 864) = 864

GCD(1, 864) = ( 1 x 864 ) / 864

= 1 / 864

= 1

Step3:

LCM(1, 865) = 865

GCD(1, 865) = ( 1 x 865 ) / 865

= 1 / 865

= 1

So, Greatest Common Divisor of 861, 965, 864, 865 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 190, 364, 977, 666
• GCD of 185, 589, 641, 212
• GCD of 691, 648, 460, 908
• GCD of 671, 132, 960, 299
• GCD of 422, 736, 819, 163

Given numbers are 861, 965, 864, 865
The greatest common divisor of numbers 861, 965, 864, 865 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 861, 965, 864, 865 is 1.

1. What is the GCD of 861, 965, 864, 865?

GCD of given numbers 861, 965, 864, 865 is 1

2. How to calculate the greatest common divisor of 861, 965, 864, 865?

We can find the highest common divisor of 861, 965, 864, 865 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 861, 965, 864, 865 i.e 1.

3. How can I use the GCD of 861, 965, 864, 865Calculator?

Out the numbers 861, 965, 864, 865 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.