GCD of 721, 868, 658 Calculator

Given Input numbers are 721, 868, 658

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 868 :

The positive integer divisors of 868 that completely divides 868 are.

1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868

Divisors of 658 :

The positive integer divisors of 658 that completely divides 658 are.

1, 2, 7, 14, 47, 94, 329, 658

GCD of numbers is the greatest common divisor

So, the GCD (721, 868, 658) = 7.

Given numbers are 721, 868, 658

The list of prime factors of all numbers are

Prime factors of 721 are 7 x 103

Prime factors of 868 are 2 x 2 x 7 x 31

Prime factors of 658 are 2 x 7 x 47

The highest common occurrence is 7¹

Therefore, GCD of 721, 868, 658 is 7.

Given numbers are 721, 868, 658

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

Apply this formula for all numbers.

Step1:

LCM(721, 868) = 89404

GCD(721, 868) = ( 721 x 868 ) / 89404

= 721 / 868

= 721

Step2:

LCM(7, 658) = 658

GCD(7, 658) = ( 7 x 658 ) / 658

= 7 / 658

= 7

So, Greatest Common Divisor of 721, 868, 658 is 7

Here are some samples of GCD of Numbers calculations.

• GCD of 984, 286, 972
• GCD of 952, 489, 106
• GCD of 987, 938, 566
• GCD of 459, 518, 315
• GCD of 599, 119, 882

Given numbers are 721, 868, 658
The greatest common divisor of numbers 721, 868, 658 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 721, 868, 658 is 7.

1. What is the GCD of 721, 868, 658?

GCD of given numbers 721, 868, 658 is 7

2. How to calculate the greatest common divisor of 721, 868, 658?

We can find the highest common divisor of 721, 868, 658 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, 868, 658 i.e 7.

3. How can I use the GCD of 721, 868, 658Calculator?

Out the numbers 721, 868, 658 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.