GCD of 25, 657, 140, 615 Calculator

Given Input numbers are 25, 657, 140, 615

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

Divisors of 25

List of positive integer divisors of 25 that divides 25 without a remainder.

1, 5, 25

Divisors of 657

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

1, 3, 9, 73, 219, 657

Divisors of 140

List of positive integer divisors of 140 that divides 140 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140

Divisors of 615

List of positive integer divisors of 615 that divides 615 without a remainder.

1, 3, 5, 15, 41, 123, 205, 615

Greatest Common Divisior

We found the divisors of 25, 657, 140, 615 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 25, 657, 140, 615 is 1.

Therefore, GCD of numbers 25, 657, 140, 615 is 1

Given Input Data is 25, 657, 140, 615

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

Prime Factorization of 25 is 5 x 5

Prime Factorization of 657 is 3 x 3 x 73

Prime Factorization of 140 is 2 x 2 x 5 x 7

Prime Factorization of 615 is 3 x 5 x 41

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(25, 657) = 16425

GCD(25, 657) = ( 25 x 657 ) / 16425

GCD(25, 657) = 16425 / 16425

GCD(25, 657) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 140

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

LCM(1, 140) = 140

GCD(1, 140) = ( 1 x 140 ) / 140

GCD(1, 140) = 140 / 140

GCD(1, 140) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 615

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

LCM(1, 615) = 615

GCD(1, 615) = ( 1 x 615 ) / 615

GCD(1, 615) = 615 / 615

GCD(1, 615) = 1

GCD of 25, 657, 140, 615 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 65, 966, 947, 977
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1. What is the GCD of 25, 657, 140, 615?

GCD of 25, 657, 140, 615 is 1

2. Where do I get the detailed procedure to find GCD of 25, 657, 140, 615?

You can find a detailed procedure to find GCD of 25, 657, 140, 615 on our page.

3. How to find GCD of 25, 657, 140, 615 on a calculator?

You can find the GCD of 25, 657, 140, 615 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.