GCD of 145, 420, 637, 530 Calculator

Given Input numbers are 145, 420, 637, 530

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

Divisors of 145 :

The positive integer divisors of 145 that completely divides 145 are.

1, 5, 29, 145

Divisors of 420 :

The positive integer divisors of 420 that completely divides 420 are.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420

Divisors of 637 :

The positive integer divisors of 637 that completely divides 637 are.

1, 7, 13, 49, 91, 637

Divisors of 530 :

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

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

GCD of numbers is the greatest common divisor

So, the GCD (145, 420, 637, 530) = 1.

Given numbers are 145, 420, 637, 530

The list of prime factors of all numbers are

Prime factors of 145 are 5 x 29

Prime factors of 420 are 2 x 2 x 3 x 5 x 7

Prime factors of 637 are 7 x 7 x 13

Prime factors of 530 are 2 x 5 x 53

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

Given numbers are 145, 420, 637, 530

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

Apply this formula for all numbers.

Step1:

LCM(145, 420) = 12180

GCD(145, 420) = ( 145 x 420 ) / 12180

= 145 / 420

= 145

Step2:

LCM(5, 637) = 3185

GCD(5, 637) = ( 5 x 637 ) / 3185

= 5 / 637

= 5

Step3:

LCM(1, 530) = 530

GCD(1, 530) = ( 1 x 530 ) / 530

= 1 / 530

= 1

So, Greatest Common Divisor of 145, 420, 637, 530 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 825, 136, 749, 699
• GCD of 979, 752, 782, 885
• GCD of 265, 390, 496, 538
• GCD of 928, 822, 243, 191
• GCD of 676, 173, 818, 620

Given numbers are 145, 420, 637, 530
The greatest common divisor of numbers 145, 420, 637, 530 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 145, 420, 637, 530 is 1.

1. What is the GCD of 145, 420, 637, 530?

GCD of given numbers 145, 420, 637, 530 is 1

2. How to calculate the greatest common divisor of 145, 420, 637, 530?

We can find the highest common divisor of 145, 420, 637, 530 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 145, 420, 637, 530 i.e 1.

3. How can I use the GCD of 145, 420, 637, 530Calculator?

Out the numbers 145, 420, 637, 530 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.