GCD of 660, 815, 989, 580 Calculator

Given Input numbers are 660, 815, 989, 580

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

Divisors of 660 :

The positive integer divisors of 660 that completely divides 660 are.

1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660

Divisors of 815 :

The positive integer divisors of 815 that completely divides 815 are.

1, 5, 163, 815

Divisors of 989 :

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

1, 23, 43, 989

Divisors of 580 :

The positive integer divisors of 580 that completely divides 580 are.

1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580

GCD of numbers is the greatest common divisor

So, the GCD (660, 815, 989, 580) = 1.

Given numbers are 660, 815, 989, 580

The list of prime factors of all numbers are

Prime factors of 660 are 2 x 2 x 3 x 5 x 11

Prime factors of 815 are 5 x 163

Prime factors of 989 are 23 x 43

Prime factors of 580 are 2 x 2 x 5 x 29

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

Given numbers are 660, 815, 989, 580

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

Apply this formula for all numbers.

Step1:

LCM(660, 815) = 107580

GCD(660, 815) = ( 660 x 815 ) / 107580

= 660 / 815

= 660

Step2:

LCM(5, 989) = 4945

GCD(5, 989) = ( 5 x 989 ) / 4945

= 5 / 989

= 5

Step3:

LCM(1, 580) = 580

GCD(1, 580) = ( 1 x 580 ) / 580

= 1 / 580

= 1

So, Greatest Common Divisor of 660, 815, 989, 580 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 143, 831, 446, 172
• GCD of 178, 319, 433, 541
• GCD of 304, 877, 595, 705
• GCD of 125, 293, 696, 349
• GCD of 979, 690, 584, 433

Given numbers are 660, 815, 989, 580
The greatest common divisor of numbers 660, 815, 989, 580 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 660, 815, 989, 580 is 1.

1. What is the GCD of 660, 815, 989, 580?

GCD of given numbers 660, 815, 989, 580 is 1

2. How to calculate the greatest common divisor of 660, 815, 989, 580?

We can find the highest common divisor of 660, 815, 989, 580 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 660, 815, 989, 580 i.e 1.

3. How can I use the GCD of 660, 815, 989, 580Calculator?

Out the numbers 660, 815, 989, 580 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.