GCD of 687, 355, 218, 938 Calculator

Given Input numbers are 687, 355, 218, 938

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

Divisors of 687 :

The positive integer divisors of 687 that completely divides 687 are.

1, 3, 229, 687

Divisors of 355 :

The positive integer divisors of 355 that completely divides 355 are.

1, 5, 71, 355

Divisors of 218 :

The positive integer divisors of 218 that completely divides 218 are.

1, 2, 109, 218

Divisors of 938 :

The positive integer divisors of 938 that completely divides 938 are.

1, 2, 7, 14, 67, 134, 469, 938

GCD of numbers is the greatest common divisor

So, the GCD (687, 355, 218, 938) = 1.

Given numbers are 687, 355, 218, 938

The list of prime factors of all numbers are

Prime factors of 687 are 3 x 229

Prime factors of 355 are 5 x 71

Prime factors of 218 are 2 x 109

Prime factors of 938 are 2 x 7 x 67

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

Given numbers are 687, 355, 218, 938

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

Apply this formula for all numbers.

Step1:

LCM(687, 355) = 243885

GCD(687, 355) = ( 687 x 355 ) / 243885

= 687 / 355

= 687

Step2:

LCM(1, 218) = 218

GCD(1, 218) = ( 1 x 218 ) / 218

= 1 / 218

= 1

Step3:

LCM(1, 938) = 938

GCD(1, 938) = ( 1 x 938 ) / 938

= 1 / 938

= 1

So, Greatest Common Divisor of 687, 355, 218, 938 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 101, 974, 321, 324
• GCD of 357, 938, 496, 351
• GCD of 668, 941, 609, 673
• GCD of 178, 515, 166, 210
• GCD of 373, 479, 889, 274

Given numbers are 687, 355, 218, 938
The greatest common divisor of numbers 687, 355, 218, 938 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 687, 355, 218, 938 is 1.

1. What is the GCD of 687, 355, 218, 938?

GCD of given numbers 687, 355, 218, 938 is 1

2. How to calculate the greatest common divisor of 687, 355, 218, 938?

We can find the highest common divisor of 687, 355, 218, 938 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 687, 355, 218, 938 i.e 1.

3. How can I use the GCD of 687, 355, 218, 938Calculator?

Out the numbers 687, 355, 218, 938 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.