Online GCD Calculator is useful to find the GCD of 478, 398, 202, 972 quickly. Get the easiest ways to solve the greatest common divisor of 478, 398, 202, 972 i.e 2 in different methods as follows.
Given Input numbers are 478, 398, 202, 972
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 398 :
The positive integer divisors of 398 that completely divides 398 are.
1, 2, 199, 398
Divisors of 202 :
The positive integer divisors of 202 that completely divides 202 are.
1, 2, 101, 202
Divisors of 972 :
The positive integer divisors of 972 that completely divides 972 are.
1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972
GCD of numbers is the greatest common divisor
So, the GCD (478, 398, 202, 972) = 2.
Given numbers are 478, 398, 202, 972
The list of prime factors of all numbers are
Prime factors of 478 are 2 x 239
Prime factors of 398 are 2 x 199
Prime factors of 202 are 2 x 101
Prime factors of 972 are 2 x 2 x 3 x 3 x 3 x 3 x 3
The highest common occurrence is 21
Therefore, GCD of 478, 398, 202, 972 is 2.
Given numbers are 478, 398, 202, 972
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(478, 398) = 95122
GCD(478, 398) = ( 478 x 398 ) / 95122
= 478 / 398
= 478
Step2:
LCM(2, 202) = 202
GCD(2, 202) = ( 2 x 202 ) / 202
= 2 / 202
= 2
Step3:
LCM(2, 972) = 972
GCD(2, 972) = ( 2 x 972 ) / 972
= 2 / 972
= 2
So, Greatest Common Divisor of 478, 398, 202, 972 is 2
Here are some samples of GCD of Numbers calculations.
Given numbers are 478, 398, 202, 972
The greatest common divisor of numbers 478, 398, 202, 972 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 478, 398, 202, 972 is 2.
1. What is the GCD of 478, 398, 202, 972?
GCD of given numbers 478, 398, 202, 972 is 2
2. How to calculate the greatest common divisor of 478, 398, 202, 972?
We can find the highest common divisor of 478, 398, 202, 972 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, 398, 202, 972 i.e 2.
3. How can I use the GCD of 478, 398, 202, 972Calculator?
Out the numbers 478, 398, 202, 972 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.