GCD of 241, 965, 387, 645 Calculator

Given Input numbers are 241, 965, 387, 645

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

Divisors of 241

List of positive integer divisors of 241 that divides 241 without a remainder.

1, 241

Divisors of 965

List of positive integer divisors of 965 that divides 965 without a remainder.

1, 5, 193, 965

Divisors of 387

List of positive integer divisors of 387 that divides 387 without a remainder.

1, 3, 9, 43, 129, 387

Divisors of 645

List of positive integer divisors of 645 that divides 645 without a remainder.

1, 3, 5, 15, 43, 129, 215, 645

Greatest Common Divisior

We found the divisors of 241, 965, 387, 645 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 241, 965, 387, 645 is 1.

Therefore, GCD of numbers 241, 965, 387, 645 is 1

Given Input Data is 241, 965, 387, 645

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

Prime Factorization of 241 is 241

Prime Factorization of 965 is 5 x 193

Prime Factorization of 387 is 3 x 3 x 43

Prime Factorization of 645 is 3 x 5 x 43

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(241, 965) = 232565

GCD(241, 965) = ( 241 x 965 ) / 232565

GCD(241, 965) = 232565 / 232565

GCD(241, 965) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 387

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

LCM(1, 387) = 387

GCD(1, 387) = ( 1 x 387 ) / 387

GCD(1, 387) = 387 / 387

GCD(1, 387) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 645

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

LCM(1, 645) = 645

GCD(1, 645) = ( 1 x 645 ) / 645

GCD(1, 645) = 645 / 645

GCD(1, 645) = 1

GCD of 241, 965, 387, 645 is 1

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1. What is the GCD of 241, 965, 387, 645?

GCD of 241, 965, 387, 645 is 1

2. Where do I get the detailed procedure to find GCD of 241, 965, 387, 645?

You can find a detailed procedure to find GCD of 241, 965, 387, 645 on our page.

3. How to find GCD of 241, 965, 387, 645 on a calculator?

You can find the GCD of 241, 965, 387, 645 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.