Online GCD Calculator is useful to find the GCD of 398, 474, 278, 438 quickly. Get the easiest ways to solve the greatest common divisor of 398, 474, 278, 438 i.e 2 in different methods as follows.
Given Input numbers are 398, 474, 278, 438
In the factoring method, we have to find the divisors of all numbers
Divisors of 398 :
The positive integer divisors of 398 that completely divides 398 are.
1, 2, 199, 398
Divisors of 474 :
The positive integer divisors of 474 that completely divides 474 are.
1, 2, 3, 6, 79, 158, 237, 474
Divisors of 278 :
The positive integer divisors of 278 that completely divides 278 are.
1, 2, 139, 278
Divisors of 438 :
The positive integer divisors of 438 that completely divides 438 are.
1, 2, 3, 6, 73, 146, 219, 438
GCD of numbers is the greatest common divisor
So, the GCD (398, 474, 278, 438) = 2.
Given numbers are 398, 474, 278, 438
The list of prime factors of all numbers are
Prime factors of 398 are 2 x 199
Prime factors of 474 are 2 x 3 x 79
Prime factors of 278 are 2 x 139
Prime factors of 438 are 2 x 3 x 73
The highest common occurrence is 21
Therefore, GCD of 398, 474, 278, 438 is 2.
Given numbers are 398, 474, 278, 438
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(398, 474) = 94326
GCD(398, 474) = ( 398 x 474 ) / 94326
= 398 / 474
= 398
Step2:
LCM(2, 278) = 278
GCD(2, 278) = ( 2 x 278 ) / 278
= 2 / 278
= 2
Step3:
LCM(2, 438) = 438
GCD(2, 438) = ( 2 x 438 ) / 438
= 2 / 438
= 2
So, Greatest Common Divisor of 398, 474, 278, 438 is 2
Here are some samples of GCD of Numbers calculations.
Given numbers are 398, 474, 278, 438
The greatest common divisor of numbers 398, 474, 278, 438 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 398, 474, 278, 438 is 2.
1. What is the GCD of 398, 474, 278, 438?
GCD of given numbers 398, 474, 278, 438 is 2
2. How to calculate the greatest common divisor of 398, 474, 278, 438?
We can find the highest common divisor of 398, 474, 278, 438 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 398, 474, 278, 438 i.e 2.
3. How can I use the GCD of 398, 474, 278, 438Calculator?
Out the numbers 398, 474, 278, 438 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.