GCD of 991, 231, 84, 657 Calculator

Given Input numbers are 991, 231, 84, 657

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

Divisors of 991 :

The positive integer divisors of 991 that completely divides 991 are.

1, 991

Divisors of 231 :

The positive integer divisors of 231 that completely divides 231 are.

1, 3, 7, 11, 21, 33, 77, 231

Divisors of 84 :

The positive integer divisors of 84 that completely divides 84 are.

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

Divisors of 657 :

The positive integer divisors of 657 that completely divides 657 are.

1, 3, 9, 73, 219, 657

GCD of numbers is the greatest common divisor

So, the GCD (991, 231, 84, 657) = 1.

Given numbers are 991, 231, 84, 657

The list of prime factors of all numbers are

Prime factors of 991 are 991

Prime factors of 231 are 3 x 7 x 11

Prime factors of 84 are 2 x 2 x 3 x 7

Prime factors of 657 are 3 x 3 x 73

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

Given numbers are 991, 231, 84, 657

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

Apply this formula for all numbers.

Step1:

LCM(991, 231) = 228921

GCD(991, 231) = ( 991 x 231 ) / 228921

= 991 / 231

= 991

Step2:

LCM(1, 84) = 84

GCD(1, 84) = ( 1 x 84 ) / 84

= 1 / 84

= 1

Step3:

LCM(1, 657) = 657

GCD(1, 657) = ( 1 x 657 ) / 657

= 1 / 657

= 1

So, Greatest Common Divisor of 991, 231, 84, 657 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 950, 511, 25, 624
• GCD of 413, 787, 42, 196
• GCD of 415, 429, 42, 391
• GCD of 177, 335, 33, 803
• GCD of 891, 943, 31, 863

Given numbers are 991, 231, 84, 657
The greatest common divisor of numbers 991, 231, 84, 657 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 991, 231, 84, 657 is 1.

1. What is the GCD of 991, 231, 84, 657?

GCD of given numbers 991, 231, 84, 657 is 1

2. How to calculate the greatest common divisor of 991, 231, 84, 657?

We can find the highest common divisor of 991, 231, 84, 657 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 991, 231, 84, 657 i.e 1.

3. How can I use the GCD of 991, 231, 84, 657Calculator?

Out the numbers 991, 231, 84, 657 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.