GCD of 391, 649, 659, 389 Calculator

Given Input numbers are 391, 649, 659, 389

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

Divisors of 391 :

The positive integer divisors of 391 that completely divides 391 are.

1, 17, 23, 391

Divisors of 649 :

The positive integer divisors of 649 that completely divides 649 are.

1, 11, 59, 649

Divisors of 659 :

The positive integer divisors of 659 that completely divides 659 are.

1, 659

Divisors of 389 :

The positive integer divisors of 389 that completely divides 389 are.

1, 389

GCD of numbers is the greatest common divisor

So, the GCD (391, 649, 659, 389) = 1.

Given numbers are 391, 649, 659, 389

The list of prime factors of all numbers are

Prime factors of 391 are 17 x 23

Prime factors of 649 are 11 x 59

Prime factors of 659 are 659

Prime factors of 389 are 389

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

Given numbers are 391, 649, 659, 389

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

Apply this formula for all numbers.

Step1:

LCM(391, 649) = 253759

GCD(391, 649) = ( 391 x 649 ) / 253759

= 391 / 649

= 391

Step2:

LCM(1, 659) = 659

GCD(1, 659) = ( 1 x 659 ) / 659

= 1 / 659

= 1

Step3:

LCM(1, 389) = 389

GCD(1, 389) = ( 1 x 389 ) / 389

= 1 / 389

= 1

So, Greatest Common Divisor of 391, 649, 659, 389 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 733, 300, 902, 818
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Given numbers are 391, 649, 659, 389
The greatest common divisor of numbers 391, 649, 659, 389 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 391, 649, 659, 389 is 1.

1. What is the GCD of 391, 649, 659, 389?

GCD of given numbers 391, 649, 659, 389 is 1

2. How to calculate the greatest common divisor of 391, 649, 659, 389?

We can find the highest common divisor of 391, 649, 659, 389 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 391, 649, 659, 389 i.e 1.

3. How can I use the GCD of 391, 649, 659, 389Calculator?

Out the numbers 391, 649, 659, 389 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.