GCD of 602, 780, 561, 490 Calculator

Given Input numbers are 602, 780, 561, 490

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

Divisors of 602 :

The positive integer divisors of 602 that completely divides 602 are.

1, 2, 7, 14, 43, 86, 301, 602

Divisors of 780 :

The positive integer divisors of 780 that completely divides 780 are.

1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780

Divisors of 561 :

The positive integer divisors of 561 that completely divides 561 are.

1, 3, 11, 17, 33, 51, 187, 561

Divisors of 490 :

The positive integer divisors of 490 that completely divides 490 are.

1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490

GCD of numbers is the greatest common divisor

So, the GCD (602, 780, 561, 490) = 1.

Given numbers are 602, 780, 561, 490

The list of prime factors of all numbers are

Prime factors of 602 are 2 x 7 x 43

Prime factors of 780 are 2 x 2 x 3 x 5 x 13

Prime factors of 561 are 3 x 11 x 17

Prime factors of 490 are 2 x 5 x 7 x 7

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

Given numbers are 602, 780, 561, 490

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

Apply this formula for all numbers.

Step1:

LCM(602, 780) = 234780

GCD(602, 780) = ( 602 x 780 ) / 234780

= 602 / 780

= 602

Step2:

LCM(2, 561) = 1122

GCD(2, 561) = ( 2 x 561 ) / 1122

= 2 / 561

= 2

Step3:

LCM(1, 490) = 490

GCD(1, 490) = ( 1 x 490 ) / 490

= 1 / 490

= 1

So, Greatest Common Divisor of 602, 780, 561, 490 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 179, 417, 477, 418
• GCD of 424, 276, 340, 381
• GCD of 199, 974, 616, 197
• GCD of 447, 448, 830, 842
• GCD of 911, 900, 636, 260

Given numbers are 602, 780, 561, 490
The greatest common divisor of numbers 602, 780, 561, 490 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 602, 780, 561, 490 is 1.

1. What is the GCD of 602, 780, 561, 490?

GCD of given numbers 602, 780, 561, 490 is 1

2. How to calculate the greatest common divisor of 602, 780, 561, 490?

We can find the highest common divisor of 602, 780, 561, 490 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 602, 780, 561, 490 i.e 1.

3. How can I use the GCD of 602, 780, 561, 490Calculator?

Out the numbers 602, 780, 561, 490 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.