GCD of 648, 890, 971, 657 Calculator

Given Input numbers are 648, 890, 971, 657

To find the GCD of numbers using factoring list out all the divisors of each number

Divisors of 648

List of positive integer divisors of 648 that divides 648 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648

Divisors of 890

List of positive integer divisors of 890 that divides 890 without a remainder.

1, 2, 5, 10, 89, 178, 445, 890

Divisors of 971

List of positive integer divisors of 971 that divides 971 without a remainder.

1, 971

Divisors of 657

List of positive integer divisors of 657 that divides 657 without a remainder.

1, 3, 9, 73, 219, 657

Greatest Common Divisior

We found the divisors of 648, 890, 971, 657 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 648, 890, 971, 657 is 1.

Therefore, GCD of numbers 648, 890, 971, 657 is 1

Given Input Data is 648, 890, 971, 657

Make a list of Prime Factors of all the given numbers initially

Prime Factorization of 648 is 2 x 2 x 2 x 3 x 3 x 3 x 3

Prime Factorization of 890 is 2 x 5 x 89

Prime Factorization of 971 is 971

Prime Factorization of 657 is 3 x 3 x 73

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

Step1:

Let's calculate the GCD of first two numbers

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

LCM(648, 890) = 288360

GCD(648, 890) = ( 648 x 890 ) / 288360

GCD(648, 890) = 576720 / 288360

GCD(648, 890) = 2

Step2:

Here we consider the GCD from the above i.e. 2 as first number and the next as 971

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

LCM(2, 971) = 1942

GCD(2, 971) = ( 2 x 971 ) / 1942

GCD(2, 971) = 1942 / 1942

GCD(2, 971) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 657

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

LCM(1, 657) = 657

GCD(1, 657) = ( 1 x 657 ) / 657

GCD(1, 657) = 657 / 657

GCD(1, 657) = 1

GCD of 648, 890, 971, 657 is 1

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1. What is the GCD of 648, 890, 971, 657?

GCD of 648, 890, 971, 657 is 1

2. Where do I get the detailed procedure to find GCD of 648, 890, 971, 657?

You can find a detailed procedure to find GCD of 648, 890, 971, 657 on our page.

3. How to find GCD of 648, 890, 971, 657 on a calculator?

You can find the GCD of 648, 890, 971, 657 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.