Online GCD Calculator is useful to find the GCD of 729, 655, 642 quickly. Get the easiest ways to solve the greatest common divisor of 729, 655, 642 i.e 1 in different methods as follows.
Given Input numbers are 729, 655, 642
In the factoring method, we have to find the divisors of all numbers
Divisors of 729 :
The positive integer divisors of 729 that completely divides 729 are.
1, 3, 9, 27, 81, 243, 729
Divisors of 655 :
The positive integer divisors of 655 that completely divides 655 are.
1, 5, 131, 655
Divisors of 642 :
The positive integer divisors of 642 that completely divides 642 are.
1, 2, 3, 6, 107, 214, 321, 642
GCD of numbers is the greatest common divisor
So, the GCD (729, 655, 642) = 1.
Given numbers are 729, 655, 642
The list of prime factors of all numbers are
Prime factors of 729 are 3 x 3 x 3 x 3 x 3 x 3
Prime factors of 655 are 5 x 131
Prime factors of 642 are 2 x 3 x 107
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 729, 655, 642
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(729, 655) = 477495
GCD(729, 655) = ( 729 x 655 ) / 477495
= 729 / 655
= 729
Step2:
LCM(1, 642) = 642
GCD(1, 642) = ( 1 x 642 ) / 642
= 1 / 642
= 1
So, Greatest Common Divisor of 729, 655, 642 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 729, 655, 642
The greatest common divisor of numbers 729, 655, 642 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 729, 655, 642 is 1.
1. What is the GCD of 729, 655, 642?
GCD of given numbers 729, 655, 642 is 1
2. How to calculate the greatest common divisor of 729, 655, 642?
We can find the highest common divisor of 729, 655, 642 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 729, 655, 642 i.e 1.
3. How can I use the GCD of 729, 655, 642Calculator?
Out the numbers 729, 655, 642 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.