GCD of 661, 660, 418, 838 Calculator

Given Input numbers are 661, 660, 418, 838

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

Divisors of 661 :

The positive integer divisors of 661 that completely divides 661 are.

1, 661

Divisors of 660 :

The positive integer divisors of 660 that completely divides 660 are.

1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660

Divisors of 418 :

The positive integer divisors of 418 that completely divides 418 are.

1, 2, 11, 19, 22, 38, 209, 418

Divisors of 838 :

The positive integer divisors of 838 that completely divides 838 are.

1, 2, 419, 838

GCD of numbers is the greatest common divisor

So, the GCD (661, 660, 418, 838) = 1.

Given numbers are 661, 660, 418, 838

The list of prime factors of all numbers are

Prime factors of 661 are 661

Prime factors of 660 are 2 x 2 x 3 x 5 x 11

Prime factors of 418 are 2 x 11 x 19

Prime factors of 838 are 2 x 419

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

Given numbers are 661, 660, 418, 838

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

Apply this formula for all numbers.

Step1:

LCM(661, 660) = 436260

GCD(661, 660) = ( 661 x 660 ) / 436260

= 661 / 660

= 661

Step2:

LCM(1, 418) = 418

GCD(1, 418) = ( 1 x 418 ) / 418

= 1 / 418

= 1

Step3:

LCM(1, 838) = 838

GCD(1, 838) = ( 1 x 838 ) / 838

= 1 / 838

= 1

So, Greatest Common Divisor of 661, 660, 418, 838 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 587, 732, 190, 953
• GCD of 172, 687, 112, 811
• GCD of 558, 569, 589, 109
• GCD of 403, 444, 519, 546
• GCD of 895, 985, 820, 649

Given numbers are 661, 660, 418, 838
The greatest common divisor of numbers 661, 660, 418, 838 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 661, 660, 418, 838 is 1.

1. What is the GCD of 661, 660, 418, 838?

GCD of given numbers 661, 660, 418, 838 is 1

2. How to calculate the greatest common divisor of 661, 660, 418, 838?

We can find the highest common divisor of 661, 660, 418, 838 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 661, 660, 418, 838 i.e 1.

3. How can I use the GCD of 661, 660, 418, 838Calculator?

Out the numbers 661, 660, 418, 838 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.