GCD of 349, 656, 688, 643 Calculator

Given Input numbers are 349, 656, 688, 643

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

Divisors of 349 :

The positive integer divisors of 349 that completely divides 349 are.

1, 349

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 688 :

The positive integer divisors of 688 that completely divides 688 are.

1, 2, 4, 8, 16, 43, 86, 172, 344, 688

Divisors of 643 :

The positive integer divisors of 643 that completely divides 643 are.

1, 643

GCD of numbers is the greatest common divisor

So, the GCD (349, 656, 688, 643) = 1.

Given numbers are 349, 656, 688, 643

The list of prime factors of all numbers are

Prime factors of 349 are 349

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

Prime factors of 688 are 2 x 2 x 2 x 2 x 43

Prime factors of 643 are 643

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

Given numbers are 349, 656, 688, 643

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

Apply this formula for all numbers.

Step1:

LCM(349, 656) = 228944

GCD(349, 656) = ( 349 x 656 ) / 228944

= 349 / 656

= 349

Step2:

LCM(1, 688) = 688

GCD(1, 688) = ( 1 x 688 ) / 688

= 1 / 688

= 1

Step3:

LCM(1, 643) = 643

GCD(1, 643) = ( 1 x 643 ) / 643

= 1 / 643

= 1

So, Greatest Common Divisor of 349, 656, 688, 643 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 861, 876, 520, 530
• GCD of 170, 856, 290, 743
• GCD of 318, 221, 626, 545
• GCD of 836, 305, 273, 704
• GCD of 462, 906, 440, 637

Given numbers are 349, 656, 688, 643
The greatest common divisor of numbers 349, 656, 688, 643 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 349, 656, 688, 643 is 1.

1. What is the GCD of 349, 656, 688, 643?

GCD of given numbers 349, 656, 688, 643 is 1

2. How to calculate the greatest common divisor of 349, 656, 688, 643?

We can find the highest common divisor of 349, 656, 688, 643 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 349, 656, 688, 643 i.e 1.

3. How can I use the GCD of 349, 656, 688, 643Calculator?

Out the numbers 349, 656, 688, 643 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.