Online GCD Calculator is useful to find the GCD of 212, 398, 771 quickly. Get the easiest ways to solve the greatest common divisor of 212, 398, 771 i.e 1 in different methods as follows.
Given Input numbers are 212, 398, 771
In the factoring method, we have to find the divisors of all numbers
Divisors of 212 :
The positive integer divisors of 212 that completely divides 212 are.
1, 2, 4, 53, 106, 212
Divisors of 398 :
The positive integer divisors of 398 that completely divides 398 are.
1, 2, 199, 398
Divisors of 771 :
The positive integer divisors of 771 that completely divides 771 are.
1, 3, 257, 771
GCD of numbers is the greatest common divisor
So, the GCD (212, 398, 771) = 1.
Given numbers are 212, 398, 771
The list of prime factors of all numbers are
Prime factors of 212 are 2 x 2 x 53
Prime factors of 398 are 2 x 199
Prime factors of 771 are 3 x 257
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 212, 398, 771
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(212, 398) = 42188
GCD(212, 398) = ( 212 x 398 ) / 42188
= 212 / 398
= 212
Step2:
LCM(2, 771) = 1542
GCD(2, 771) = ( 2 x 771 ) / 1542
= 2 / 771
= 2
So, Greatest Common Divisor of 212, 398, 771 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 212, 398, 771
The greatest common divisor of numbers 212, 398, 771 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 212, 398, 771 is 1.
1. What is the GCD of 212, 398, 771?
GCD of given numbers 212, 398, 771 is 1
2. How to calculate the greatest common divisor of 212, 398, 771?
We can find the highest common divisor of 212, 398, 771 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 212, 398, 771 i.e 1.
3. How can I use the GCD of 212, 398, 771Calculator?
Out the numbers 212, 398, 771 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.