GCD of 841, 891, 123, 642 Calculator

Given Input numbers are 841, 891, 123, 642

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

Divisors of 841 :

The positive integer divisors of 841 that completely divides 841 are.

1, 29, 841

Divisors of 891 :

The positive integer divisors of 891 that completely divides 891 are.

1, 3, 9, 11, 27, 33, 81, 99, 297, 891

Divisors of 123 :

The positive integer divisors of 123 that completely divides 123 are.

1, 3, 41, 123

Divisors of 642 :

The positive integer divisors of 642 that completely divides 642 are.

1, 2, 3, 6, 107, 214, 321, 642

GCD of numbers is the greatest common divisor

So, the GCD (841, 891, 123, 642) = 1.

Given numbers are 841, 891, 123, 642

The list of prime factors of all numbers are

Prime factors of 841 are 29 x 29

Prime factors of 891 are 3 x 3 x 3 x 3 x 11

Prime factors of 123 are 3 x 41

Prime factors of 642 are 2 x 3 x 107

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

Given numbers are 841, 891, 123, 642

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

Apply this formula for all numbers.

Step1:

LCM(841, 891) = 749331

GCD(841, 891) = ( 841 x 891 ) / 749331

= 841 / 891

= 841

Step2:

LCM(1, 123) = 123

GCD(1, 123) = ( 1 x 123 ) / 123

= 1 / 123

= 1

Step3:

LCM(1, 642) = 642

GCD(1, 642) = ( 1 x 642 ) / 642

= 1 / 642

= 1

So, Greatest Common Divisor of 841, 891, 123, 642 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 728, 948, 830, 533
• GCD of 840, 174, 585, 879
• GCD of 649, 223, 280, 710
• GCD of 239, 992, 519, 457
• GCD of 358, 468, 115, 938

Given numbers are 841, 891, 123, 642
The greatest common divisor of numbers 841, 891, 123, 642 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 841, 891, 123, 642 is 1.

1. What is the GCD of 841, 891, 123, 642?

GCD of given numbers 841, 891, 123, 642 is 1

2. How to calculate the greatest common divisor of 841, 891, 123, 642?

We can find the highest common divisor of 841, 891, 123, 642 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 841, 891, 123, 642 i.e 1.

3. How can I use the GCD of 841, 891, 123, 642Calculator?

Out the numbers 841, 891, 123, 642 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.