GCD of 397, 972, 639, 871 Calculator

Given Input numbers are 397, 972, 639, 871

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

Divisors of 397 :

The positive integer divisors of 397 that completely divides 397 are.

1, 397

Divisors of 972 :

The positive integer divisors of 972 that completely divides 972 are.

1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972

Divisors of 639 :

The positive integer divisors of 639 that completely divides 639 are.

1, 3, 9, 71, 213, 639

Divisors of 871 :

The positive integer divisors of 871 that completely divides 871 are.

1, 13, 67, 871

GCD of numbers is the greatest common divisor

So, the GCD (397, 972, 639, 871) = 1.

Given numbers are 397, 972, 639, 871

The list of prime factors of all numbers are

Prime factors of 397 are 397

Prime factors of 972 are 2 x 2 x 3 x 3 x 3 x 3 x 3

Prime factors of 639 are 3 x 3 x 71

Prime factors of 871 are 13 x 67

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

Given numbers are 397, 972, 639, 871

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

Apply this formula for all numbers.

Step1:

LCM(397, 972) = 385884

GCD(397, 972) = ( 397 x 972 ) / 385884

= 397 / 972

= 397

Step2:

LCM(1, 639) = 639

GCD(1, 639) = ( 1 x 639 ) / 639

= 1 / 639

= 1

Step3:

LCM(1, 871) = 871

GCD(1, 871) = ( 1 x 871 ) / 871

= 1 / 871

= 1

So, Greatest Common Divisor of 397, 972, 639, 871 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 965, 478, 568, 704
• GCD of 271, 350, 325, 588
• GCD of 908, 224, 722, 297
• GCD of 385, 727, 440, 745
• GCD of 758, 859, 281, 393

Given numbers are 397, 972, 639, 871
The greatest common divisor of numbers 397, 972, 639, 871 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 397, 972, 639, 871 is 1.

1. What is the GCD of 397, 972, 639, 871?

GCD of given numbers 397, 972, 639, 871 is 1

2. How to calculate the greatest common divisor of 397, 972, 639, 871?

We can find the highest common divisor of 397, 972, 639, 871 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 397, 972, 639, 871 i.e 1.

3. How can I use the GCD of 397, 972, 639, 871Calculator?

Out the numbers 397, 972, 639, 871 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.