GCD of 279, 644, 425, 489 Calculator

Given Input numbers are 279, 644, 425, 489

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

Divisors of 279 :

The positive integer divisors of 279 that completely divides 279 are.

1, 3, 9, 31, 93, 279

Divisors of 644 :

The positive integer divisors of 644 that completely divides 644 are.

1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644

Divisors of 425 :

The positive integer divisors of 425 that completely divides 425 are.

1, 5, 17, 25, 85, 425

Divisors of 489 :

The positive integer divisors of 489 that completely divides 489 are.

1, 3, 163, 489

GCD of numbers is the greatest common divisor

So, the GCD (279, 644, 425, 489) = 1.

Given numbers are 279, 644, 425, 489

The list of prime factors of all numbers are

Prime factors of 279 are 3 x 3 x 31

Prime factors of 644 are 2 x 2 x 7 x 23

Prime factors of 425 are 5 x 5 x 17

Prime factors of 489 are 3 x 163

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

Given numbers are 279, 644, 425, 489

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

Apply this formula for all numbers.

Step1:

LCM(279, 644) = 179676

GCD(279, 644) = ( 279 x 644 ) / 179676

= 279 / 644

= 279

Step2:

LCM(1, 425) = 425

GCD(1, 425) = ( 1 x 425 ) / 425

= 1 / 425

= 1

Step3:

LCM(1, 489) = 489

GCD(1, 489) = ( 1 x 489 ) / 489

= 1 / 489

= 1

So, Greatest Common Divisor of 279, 644, 425, 489 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 760, 668, 231, 372
• GCD of 314, 228, 345, 773
• GCD of 917, 564, 537, 212
• GCD of 129, 919, 356, 181
• GCD of 679, 221, 505, 306

Given numbers are 279, 644, 425, 489
The greatest common divisor of numbers 279, 644, 425, 489 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 279, 644, 425, 489 is 1.

1. What is the GCD of 279, 644, 425, 489?

GCD of given numbers 279, 644, 425, 489 is 1

2. How to calculate the greatest common divisor of 279, 644, 425, 489?

We can find the highest common divisor of 279, 644, 425, 489 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 279, 644, 425, 489 i.e 1.

3. How can I use the GCD of 279, 644, 425, 489Calculator?

Out the numbers 279, 644, 425, 489 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.