Online GCD Calculator is useful to find the GCD of 642, 788, 747 quickly. Get the easiest ways to solve the greatest common divisor of 642, 788, 747 i.e 1 in different methods as follows.
Given Input numbers are 642, 788, 747
In the factoring method, we have to find the divisors of all numbers
Divisors of 642 :
The positive integer divisors of 642 that completely divides 642 are.
1, 2, 3, 6, 107, 214, 321, 642
Divisors of 788 :
The positive integer divisors of 788 that completely divides 788 are.
1, 2, 4, 197, 394, 788
Divisors of 747 :
The positive integer divisors of 747 that completely divides 747 are.
1, 3, 9, 83, 249, 747
GCD of numbers is the greatest common divisor
So, the GCD (642, 788, 747) = 1.
Given numbers are 642, 788, 747
The list of prime factors of all numbers are
Prime factors of 642 are 2 x 3 x 107
Prime factors of 788 are 2 x 2 x 197
Prime factors of 747 are 3 x 3 x 83
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 642, 788, 747
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(642, 788) = 252948
GCD(642, 788) = ( 642 x 788 ) / 252948
= 642 / 788
= 642
Step2:
LCM(2, 747) = 1494
GCD(2, 747) = ( 2 x 747 ) / 1494
= 2 / 747
= 2
So, Greatest Common Divisor of 642, 788, 747 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 642, 788, 747
The greatest common divisor of numbers 642, 788, 747 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 642, 788, 747 is 1.
1. What is the GCD of 642, 788, 747?
GCD of given numbers 642, 788, 747 is 1
2. How to calculate the greatest common divisor of 642, 788, 747?
We can find the highest common divisor of 642, 788, 747 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 642, 788, 747 i.e 1.
3. How can I use the GCD of 642, 788, 747Calculator?
Out the numbers 642, 788, 747 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.