Online GCD Calculator is useful to find the GCD of 478, 491, 78 quickly. Get the easiest ways to solve the greatest common divisor of 478, 491, 78 i.e 1 in different methods as follows.
Given Input numbers are 478, 491, 78
In the factoring method, we have to find the divisors of all numbers
Divisors of 478 :
The positive integer divisors of 478 that completely divides 478 are.
1, 2, 239, 478
Divisors of 491 :
The positive integer divisors of 491 that completely divides 491 are.
1, 491
Divisors of 78 :
The positive integer divisors of 78 that completely divides 78 are.
1, 2, 3, 6, 13, 26, 39, 78
GCD of numbers is the greatest common divisor
So, the GCD (478, 491, 78) = 1.
Given numbers are 478, 491, 78
The list of prime factors of all numbers are
Prime factors of 478 are 2 x 239
Prime factors of 491 are 491
Prime factors of 78 are 2 x 3 x 13
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 478, 491, 78
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(478, 491) = 234698
GCD(478, 491) = ( 478 x 491 ) / 234698
= 478 / 491
= 478
Step2:
LCM(1, 78) = 78
GCD(1, 78) = ( 1 x 78 ) / 78
= 1 / 78
= 1
So, Greatest Common Divisor of 478, 491, 78 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 478, 491, 78
The greatest common divisor of numbers 478, 491, 78 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 478, 491, 78 is 1.
1. What is the GCD of 478, 491, 78?
GCD of given numbers 478, 491, 78 is 1
2. How to calculate the greatest common divisor of 478, 491, 78?
We can find the highest common divisor of 478, 491, 78 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 478, 491, 78 i.e 1.
3. How can I use the GCD of 478, 491, 78Calculator?
Out the numbers 478, 491, 78 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.