GCD of 638, 196, 685, 670 Calculator

Given Input numbers are 638, 196, 685, 670

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

Divisors of 638 :

The positive integer divisors of 638 that completely divides 638 are.

1, 2, 11, 22, 29, 58, 319, 638

Divisors of 196 :

The positive integer divisors of 196 that completely divides 196 are.

1, 2, 4, 7, 14, 28, 49, 98, 196

Divisors of 685 :

The positive integer divisors of 685 that completely divides 685 are.

1, 5, 137, 685

Divisors of 670 :

The positive integer divisors of 670 that completely divides 670 are.

1, 2, 5, 10, 67, 134, 335, 670

GCD of numbers is the greatest common divisor

So, the GCD (638, 196, 685, 670) = 1.

Given numbers are 638, 196, 685, 670

The list of prime factors of all numbers are

Prime factors of 638 are 2 x 11 x 29

Prime factors of 196 are 2 x 2 x 7 x 7

Prime factors of 685 are 5 x 137

Prime factors of 670 are 2 x 5 x 67

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

Given numbers are 638, 196, 685, 670

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

Apply this formula for all numbers.

Step1:

LCM(638, 196) = 62524

GCD(638, 196) = ( 638 x 196 ) / 62524

= 638 / 196

= 638

Step2:

LCM(2, 685) = 1370

GCD(2, 685) = ( 2 x 685 ) / 1370

= 2 / 685

= 2

Step3:

LCM(1, 670) = 670

GCD(1, 670) = ( 1 x 670 ) / 670

= 1 / 670

= 1

So, Greatest Common Divisor of 638, 196, 685, 670 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 757, 888, 202, 336
• GCD of 283, 694, 521, 971
• GCD of 166, 489, 109, 189
• GCD of 590, 720, 274, 659
• GCD of 468, 711, 814, 509

Given numbers are 638, 196, 685, 670
The greatest common divisor of numbers 638, 196, 685, 670 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 638, 196, 685, 670 is 1.

1. What is the GCD of 638, 196, 685, 670?

GCD of given numbers 638, 196, 685, 670 is 1

2. How to calculate the greatest common divisor of 638, 196, 685, 670?

We can find the highest common divisor of 638, 196, 685, 670 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 638, 196, 685, 670 i.e 1.

3. How can I use the GCD of 638, 196, 685, 670Calculator?

Out the numbers 638, 196, 685, 670 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.