Online GCD Calculator is useful to find the GCD of 357, 128, 78 quickly. Get the easiest ways to solve the greatest common divisor of 357, 128, 78 i.e 1 in different methods as follows.
Given Input numbers are 357, 128, 78
In the factoring method, we have to find the divisors of all numbers
Divisors of 357 :
The positive integer divisors of 357 that completely divides 357 are.
1, 3, 7, 17, 21, 51, 119, 357
Divisors of 128 :
The positive integer divisors of 128 that completely divides 128 are.
1, 2, 4, 8, 16, 32, 64, 128
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 (357, 128, 78) = 1.
Given numbers are 357, 128, 78
The list of prime factors of all numbers are
Prime factors of 357 are 3 x 7 x 17
Prime factors of 128 are 2 x 2 x 2 x 2 x 2 x 2 x 2
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 357, 128, 78
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(357, 128) = 45696
GCD(357, 128) = ( 357 x 128 ) / 45696
= 357 / 128
= 357
Step2:
LCM(1, 78) = 78
GCD(1, 78) = ( 1 x 78 ) / 78
= 1 / 78
= 1
So, Greatest Common Divisor of 357, 128, 78 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 357, 128, 78
The greatest common divisor of numbers 357, 128, 78 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 357, 128, 78 is 1.
1. What is the GCD of 357, 128, 78?
GCD of given numbers 357, 128, 78 is 1
2. How to calculate the greatest common divisor of 357, 128, 78?
We can find the highest common divisor of 357, 128, 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 357, 128, 78 i.e 1.
3. How can I use the GCD of 357, 128, 78Calculator?
Out the numbers 357, 128, 78 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.