GCD of 221, 487, 897, 138 Calculator

Given Input numbers are 221, 487, 897, 138

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

Divisors of 221 :

The positive integer divisors of 221 that completely divides 221 are.

1, 13, 17, 221

Divisors of 487 :

The positive integer divisors of 487 that completely divides 487 are.

1, 487

Divisors of 897 :

The positive integer divisors of 897 that completely divides 897 are.

1, 3, 13, 23, 39, 69, 299, 897

Divisors of 138 :

The positive integer divisors of 138 that completely divides 138 are.

1, 2, 3, 6, 23, 46, 69, 138

GCD of numbers is the greatest common divisor

So, the GCD (221, 487, 897, 138) = 1.

Given numbers are 221, 487, 897, 138

The list of prime factors of all numbers are

Prime factors of 221 are 13 x 17

Prime factors of 487 are 487

Prime factors of 897 are 3 x 13 x 23

Prime factors of 138 are 2 x 3 x 23

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

Given numbers are 221, 487, 897, 138

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

Apply this formula for all numbers.

Step1:

LCM(221, 487) = 107627

GCD(221, 487) = ( 221 x 487 ) / 107627

= 221 / 487

= 221

Step2:

LCM(1, 897) = 897

GCD(1, 897) = ( 1 x 897 ) / 897

= 1 / 897

= 1

Step3:

LCM(1, 138) = 138

GCD(1, 138) = ( 1 x 138 ) / 138

= 1 / 138

= 1

So, Greatest Common Divisor of 221, 487, 897, 138 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 937, 774, 339, 766
• GCD of 233, 242, 251, 837
• GCD of 471, 191, 476, 613
• GCD of 846, 191, 174, 286
• GCD of 857, 293, 435, 636

Given numbers are 221, 487, 897, 138
The greatest common divisor of numbers 221, 487, 897, 138 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 221, 487, 897, 138 is 1.

1. What is the GCD of 221, 487, 897, 138?

GCD of given numbers 221, 487, 897, 138 is 1

2. How to calculate the greatest common divisor of 221, 487, 897, 138?

We can find the highest common divisor of 221, 487, 897, 138 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 221, 487, 897, 138 i.e 1.

3. How can I use the GCD of 221, 487, 897, 138Calculator?

Out the numbers 221, 487, 897, 138 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.