GCD of 628, 989, 13 Calculator

Given Input numbers are 628, 989, 13

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 989 :

The positive integer divisors of 989 that completely divides 989 are.

1, 23, 43, 989

Divisors of 13 :

The positive integer divisors of 13 that completely divides 13 are.

1, 13

GCD of numbers is the greatest common divisor

So, the GCD (628, 989, 13) = 1.

Given numbers are 628, 989, 13

The list of prime factors of all numbers are

Prime factors of 628 are 2 x 2 x 157

Prime factors of 989 are 23 x 43

Prime factors of 13 are 13

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

Given numbers are 628, 989, 13

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

Apply this formula for all numbers.

Step1:

LCM(628, 989) = 621092

GCD(628, 989) = ( 628 x 989 ) / 621092

= 628 / 989

= 628

Step2:

LCM(1, 13) = 13

GCD(1, 13) = ( 1 x 13 ) / 13

= 1 / 13

= 1

So, Greatest Common Divisor of 628, 989, 13 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 985, 108, 37
• GCD of 712, 558, 72
• GCD of 234, 904, 31
• GCD of 982, 203, 18
• GCD of 397, 458, 33

Given numbers are 628, 989, 13
The greatest common divisor of numbers 628, 989, 13 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 628, 989, 13 is 1.

1. What is the GCD of 628, 989, 13?

GCD of given numbers 628, 989, 13 is 1

2. How to calculate the greatest common divisor of 628, 989, 13?

We can find the highest common divisor of 628, 989, 13 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, 989, 13 i.e 1.

3. How can I use the GCD of 628, 989, 13Calculator?

Out the numbers 628, 989, 13 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.