GCD of 721, 661, 862, 789 Calculator

Given Input numbers are 721, 661, 862, 789

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

Divisors of 721 :

The positive integer divisors of 721 that completely divides 721 are.

1, 7, 103, 721

Divisors of 661 :

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

1, 661

Divisors of 862 :

The positive integer divisors of 862 that completely divides 862 are.

1, 2, 431, 862

Divisors of 789 :

The positive integer divisors of 789 that completely divides 789 are.

1, 3, 263, 789

GCD of numbers is the greatest common divisor

So, the GCD (721, 661, 862, 789) = 1.

Given numbers are 721, 661, 862, 789

The list of prime factors of all numbers are

Prime factors of 721 are 7 x 103

Prime factors of 661 are 661

Prime factors of 862 are 2 x 431

Prime factors of 789 are 3 x 263

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

Given numbers are 721, 661, 862, 789

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

Apply this formula for all numbers.

Step1:

LCM(721, 661) = 476581

GCD(721, 661) = ( 721 x 661 ) / 476581

= 721 / 661

= 721

Step2:

LCM(1, 862) = 862

GCD(1, 862) = ( 1 x 862 ) / 862

= 1 / 862

= 1

Step3:

LCM(1, 789) = 789

GCD(1, 789) = ( 1 x 789 ) / 789

= 1 / 789

= 1

So, Greatest Common Divisor of 721, 661, 862, 789 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 521, 938, 930, 477
• GCD of 968, 106, 102, 511
• GCD of 394, 851, 142, 454
• GCD of 973, 981, 214, 965
• GCD of 617, 326, 211, 803

Given numbers are 721, 661, 862, 789
The greatest common divisor of numbers 721, 661, 862, 789 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 721, 661, 862, 789 is 1.

1. What is the GCD of 721, 661, 862, 789?

GCD of given numbers 721, 661, 862, 789 is 1

2. How to calculate the greatest common divisor of 721, 661, 862, 789?

We can find the highest common divisor of 721, 661, 862, 789 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 721, 661, 862, 789 i.e 1.

3. How can I use the GCD of 721, 661, 862, 789Calculator?

Out the numbers 721, 661, 862, 789 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.