Online GCD Calculator is useful to find the GCD of 391, 278, 332, 480 quickly. Get the easiest ways to solve the greatest common divisor of 391, 278, 332, 480 i.e 1 in different methods as follows.
Given Input numbers are 391, 278, 332, 480
In the factoring method, we have to find the divisors of all numbers
Divisors of 391 :
The positive integer divisors of 391 that completely divides 391 are.
1, 17, 23, 391
Divisors of 278 :
The positive integer divisors of 278 that completely divides 278 are.
1, 2, 139, 278
Divisors of 332 :
The positive integer divisors of 332 that completely divides 332 are.
1, 2, 4, 83, 166, 332
Divisors of 480 :
The positive integer divisors of 480 that completely divides 480 are.
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480
GCD of numbers is the greatest common divisor
So, the GCD (391, 278, 332, 480) = 1.
Given numbers are 391, 278, 332, 480
The list of prime factors of all numbers are
Prime factors of 391 are 17 x 23
Prime factors of 278 are 2 x 139
Prime factors of 332 are 2 x 2 x 83
Prime factors of 480 are 2 x 2 x 2 x 2 x 2 x 3 x 5
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 391, 278, 332, 480
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(391, 278) = 108698
GCD(391, 278) = ( 391 x 278 ) / 108698
= 391 / 278
= 391
Step2:
LCM(1, 332) = 332
GCD(1, 332) = ( 1 x 332 ) / 332
= 1 / 332
= 1
Step3:
LCM(1, 480) = 480
GCD(1, 480) = ( 1 x 480 ) / 480
= 1 / 480
= 1
So, Greatest Common Divisor of 391, 278, 332, 480 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 391, 278, 332, 480
The greatest common divisor of numbers 391, 278, 332, 480 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 391, 278, 332, 480 is 1.
1. What is the GCD of 391, 278, 332, 480?
GCD of given numbers 391, 278, 332, 480 is 1
2. How to calculate the greatest common divisor of 391, 278, 332, 480?
We can find the highest common divisor of 391, 278, 332, 480 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 391, 278, 332, 480 i.e 1.
3. How can I use the GCD of 391, 278, 332, 480Calculator?
Out the numbers 391, 278, 332, 480 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.