GCD of 645, 441, 980, 723 Calculator

Given Input numbers are 645, 441, 980, 723

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

Divisors of 645 :

The positive integer divisors of 645 that completely divides 645 are.

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

Divisors of 441 :

The positive integer divisors of 441 that completely divides 441 are.

1, 3, 7, 9, 21, 49, 63, 147, 441

Divisors of 980 :

The positive integer divisors of 980 that completely divides 980 are.

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980

Divisors of 723 :

The positive integer divisors of 723 that completely divides 723 are.

1, 3, 241, 723

GCD of numbers is the greatest common divisor

So, the GCD (645, 441, 980, 723) = 1.

Given numbers are 645, 441, 980, 723

The list of prime factors of all numbers are

Prime factors of 645 are 3 x 5 x 43

Prime factors of 441 are 3 x 3 x 7 x 7

Prime factors of 980 are 2 x 2 x 5 x 7 x 7

Prime factors of 723 are 3 x 241

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

Given numbers are 645, 441, 980, 723

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

Apply this formula for all numbers.

Step1:

LCM(645, 441) = 94815

GCD(645, 441) = ( 645 x 441 ) / 94815

= 645 / 441

= 645

Step2:

LCM(3, 980) = 2940

GCD(3, 980) = ( 3 x 980 ) / 2940

= 3 / 980

= 3

Step3:

LCM(1, 723) = 723

GCD(1, 723) = ( 1 x 723 ) / 723

= 1 / 723

= 1

So, Greatest Common Divisor of 645, 441, 980, 723 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 657, 653, 491, 635
• GCD of 949, 209, 474, 155
• GCD of 275, 418, 107, 440
• GCD of 261, 199, 105, 599
• GCD of 796, 207, 123, 983

Given numbers are 645, 441, 980, 723
The greatest common divisor of numbers 645, 441, 980, 723 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 645, 441, 980, 723 is 1.

1. What is the GCD of 645, 441, 980, 723?

GCD of given numbers 645, 441, 980, 723 is 1

2. How to calculate the greatest common divisor of 645, 441, 980, 723?

We can find the highest common divisor of 645, 441, 980, 723 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 645, 441, 980, 723 i.e 1.

3. How can I use the GCD of 645, 441, 980, 723Calculator?

Out the numbers 645, 441, 980, 723 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.