GCD of 490, 642, 530, 745 Calculator

Given Input numbers are 490, 642, 530, 745

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

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

Divisors of 642 :

The positive integer divisors of 642 that completely divides 642 are.

1, 2, 3, 6, 107, 214, 321, 642

Divisors of 530 :

The positive integer divisors of 530 that completely divides 530 are.

1, 2, 5, 10, 53, 106, 265, 530

Divisors of 745 :

The positive integer divisors of 745 that completely divides 745 are.

1, 5, 149, 745

GCD of numbers is the greatest common divisor

So, the GCD (490, 642, 530, 745) = 1.

Given numbers are 490, 642, 530, 745

The list of prime factors of all numbers are

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

Prime factors of 642 are 2 x 3 x 107

Prime factors of 530 are 2 x 5 x 53

Prime factors of 745 are 5 x 149

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

Given numbers are 490, 642, 530, 745

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

Apply this formula for all numbers.

Step1:

LCM(490, 642) = 157290

GCD(490, 642) = ( 490 x 642 ) / 157290

= 490 / 642

= 490

Step2:

LCM(2, 530) = 530

GCD(2, 530) = ( 2 x 530 ) / 530

= 2 / 530

= 2

Step3:

LCM(2, 745) = 1490

GCD(2, 745) = ( 2 x 745 ) / 1490

= 2 / 745

= 2

So, Greatest Common Divisor of 490, 642, 530, 745 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 235, 880, 371, 988
• GCD of 442, 705, 287, 905
• GCD of 378, 385, 966, 965
• GCD of 639, 196, 343, 741
• GCD of 391, 583, 225, 426

Given numbers are 490, 642, 530, 745
The greatest common divisor of numbers 490, 642, 530, 745 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 490, 642, 530, 745 is 1.

1. What is the GCD of 490, 642, 530, 745?

GCD of given numbers 490, 642, 530, 745 is 1

2. How to calculate the greatest common divisor of 490, 642, 530, 745?

We can find the highest common divisor of 490, 642, 530, 745 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 490, 642, 530, 745 i.e 1.

3. How can I use the GCD of 490, 642, 530, 745Calculator?

Out the numbers 490, 642, 530, 745 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.