GCD of 640, 615, 48, 407 Calculator

Given Input numbers are 640, 615, 48, 407

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

Divisors of 640

List of positive integer divisors of 640 that divides 640 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640

Divisors of 615

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

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

Divisors of 48

List of positive integer divisors of 48 that divides 48 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 24, 48

Divisors of 407

List of positive integer divisors of 407 that divides 407 without a remainder.

1, 11, 37, 407

Greatest Common Divisior

We found the divisors of 640, 615, 48, 407 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 640, 615, 48, 407 is 1.

Therefore, GCD of numbers 640, 615, 48, 407 is 1

Given Input Data is 640, 615, 48, 407

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

Prime Factorization of 640 is 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5

Prime Factorization of 615 is 3 x 5 x 41

Prime Factorization of 48 is 2 x 2 x 2 x 2 x 3

Prime Factorization of 407 is 11 x 37

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(640, 615) = 78720

GCD(640, 615) = ( 640 x 615 ) / 78720

GCD(640, 615) = 393600 / 78720

GCD(640, 615) = 5

Step2:

Here we consider the GCD from the above i.e. 5 as first number and the next as 48

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

LCM(5, 48) = 240

GCD(5, 48) = ( 5 x 48 ) / 240

GCD(5, 48) = 240 / 240

GCD(5, 48) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 407

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

LCM(1, 407) = 407

GCD(1, 407) = ( 1 x 407 ) / 407

GCD(1, 407) = 407 / 407

GCD(1, 407) = 1

GCD of 640, 615, 48, 407 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 337, 191, 45, 412
• GCD of 543, 113, 59, 326
• GCD of 924, 505, 90, 145
• GCD of 613, 204, 68, 644
• GCD of 696, 254, 38, 297

1. What is the GCD of 640, 615, 48, 407?

GCD of 640, 615, 48, 407 is 1

2. Where do I get the detailed procedure to find GCD of 640, 615, 48, 407?

You can find a detailed procedure to find GCD of 640, 615, 48, 407 on our page.

3. How to find GCD of 640, 615, 48, 407 on a calculator?

You can find the GCD of 640, 615, 48, 407 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.