GCD of 845, 658, 656, 821 Calculator

Given Input numbers are 845, 658, 656, 821

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

Divisors of 845 :

The positive integer divisors of 845 that completely divides 845 are.

1, 5, 13, 65, 169, 845

Divisors of 658 :

The positive integer divisors of 658 that completely divides 658 are.

1, 2, 7, 14, 47, 94, 329, 658

Divisors of 656 :

The positive integer divisors of 656 that completely divides 656 are.

1, 2, 4, 8, 16, 41, 82, 164, 328, 656

Divisors of 821 :

The positive integer divisors of 821 that completely divides 821 are.

1, 821

GCD of numbers is the greatest common divisor

So, the GCD (845, 658, 656, 821) = 1.

Given numbers are 845, 658, 656, 821

The list of prime factors of all numbers are

Prime factors of 845 are 5 x 13 x 13

Prime factors of 658 are 2 x 7 x 47

Prime factors of 656 are 2 x 2 x 2 x 2 x 41

Prime factors of 821 are 821

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

Given numbers are 845, 658, 656, 821

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

Apply this formula for all numbers.

Step1:

LCM(845, 658) = 556010

GCD(845, 658) = ( 845 x 658 ) / 556010

= 845 / 658

= 845

Step2:

LCM(1, 656) = 656

GCD(1, 656) = ( 1 x 656 ) / 656

= 1 / 656

= 1

Step3:

LCM(1, 821) = 821

GCD(1, 821) = ( 1 x 821 ) / 821

= 1 / 821

= 1

So, Greatest Common Divisor of 845, 658, 656, 821 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 492, 330, 693, 850
• GCD of 180, 795, 195, 573
• GCD of 216, 903, 878, 255
• GCD of 559, 545, 520, 228
• GCD of 783, 535, 874, 473

Given numbers are 845, 658, 656, 821
The greatest common divisor of numbers 845, 658, 656, 821 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 845, 658, 656, 821 is 1.

1. What is the GCD of 845, 658, 656, 821?

GCD of given numbers 845, 658, 656, 821 is 1

2. How to calculate the greatest common divisor of 845, 658, 656, 821?

We can find the highest common divisor of 845, 658, 656, 821 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 845, 658, 656, 821 i.e 1.

3. How can I use the GCD of 845, 658, 656, 821Calculator?

Out the numbers 845, 658, 656, 821 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.