GCD of 628, 388, 515, 123 Calculator

Given Input numbers are 628, 388, 515, 123

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

Divisors of 628 :

The positive integer divisors of 628 that completely divides 628 are.

1, 2, 4, 157, 314, 628

Divisors of 388 :

The positive integer divisors of 388 that completely divides 388 are.

1, 2, 4, 97, 194, 388

Divisors of 515 :

The positive integer divisors of 515 that completely divides 515 are.

1, 5, 103, 515

Divisors of 123 :

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

1, 3, 41, 123

GCD of numbers is the greatest common divisor

So, the GCD (628, 388, 515, 123) = 1.

Given numbers are 628, 388, 515, 123

The list of prime factors of all numbers are

Prime factors of 628 are 2 x 2 x 157

Prime factors of 388 are 2 x 2 x 97

Prime factors of 515 are 5 x 103

Prime factors of 123 are 3 x 41

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

Given numbers are 628, 388, 515, 123

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

Apply this formula for all numbers.

Step1:

LCM(628, 388) = 60916

GCD(628, 388) = ( 628 x 388 ) / 60916

= 628 / 388

= 628

Step2:

LCM(4, 515) = 2060

GCD(4, 515) = ( 4 x 515 ) / 2060

= 4 / 515

= 4

Step3:

LCM(1, 123) = 123

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

= 1 / 123

= 1

So, Greatest Common Divisor of 628, 388, 515, 123 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 461, 226, 502, 549
• GCD of 429, 980, 867, 672
• GCD of 995, 603, 786, 144
• GCD of 925, 686, 681, 136
• GCD of 135, 610, 991, 364

Given numbers are 628, 388, 515, 123
The greatest common divisor of numbers 628, 388, 515, 123 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 628, 388, 515, 123 is 1.

1. What is the GCD of 628, 388, 515, 123?

GCD of given numbers 628, 388, 515, 123 is 1

2. How to calculate the greatest common divisor of 628, 388, 515, 123?

We can find the highest common divisor of 628, 388, 515, 123 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 628, 388, 515, 123 i.e 1.

3. How can I use the GCD of 628, 388, 515, 123Calculator?

Out the numbers 628, 388, 515, 123 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.