Online GCD Calculator is useful to find the GCD of 426, 555, 639, 771 quickly. Get the easiest ways to solve the greatest common divisor of 426, 555, 639, 771 i.e 3 in different methods as follows.
Given Input numbers are 426, 555, 639, 771
In the factoring method, we have to find the divisors of all numbers
Divisors of 426 :
The positive integer divisors of 426 that completely divides 426 are.
1, 2, 3, 6, 71, 142, 213, 426
Divisors of 555 :
The positive integer divisors of 555 that completely divides 555 are.
1, 3, 5, 15, 37, 111, 185, 555
Divisors of 639 :
The positive integer divisors of 639 that completely divides 639 are.
1, 3, 9, 71, 213, 639
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 (426, 555, 639, 771) = 3.
Given numbers are 426, 555, 639, 771
The list of prime factors of all numbers are
Prime factors of 426 are 2 x 3 x 71
Prime factors of 555 are 3 x 5 x 37
Prime factors of 639 are 3 x 3 x 71
Prime factors of 771 are 3 x 257
The highest common occurrence is 31
Therefore, GCD of 426, 555, 639, 771 is 3.
Given numbers are 426, 555, 639, 771
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(426, 555) = 78810
GCD(426, 555) = ( 426 x 555 ) / 78810
= 426 / 555
= 426
Step2:
LCM(3, 639) = 639
GCD(3, 639) = ( 3 x 639 ) / 639
= 3 / 639
= 3
Step3:
LCM(3, 771) = 771
GCD(3, 771) = ( 3 x 771 ) / 771
= 3 / 771
= 3
So, Greatest Common Divisor of 426, 555, 639, 771 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 426, 555, 639, 771
The greatest common divisor of numbers 426, 555, 639, 771 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 426, 555, 639, 771 is 3.
1. What is the GCD of 426, 555, 639, 771?
GCD of given numbers 426, 555, 639, 771 is 3
2. How to calculate the greatest common divisor of 426, 555, 639, 771?
We can find the highest common divisor of 426, 555, 639, 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 426, 555, 639, 771 i.e 3.
3. How can I use the GCD of 426, 555, 639, 771Calculator?
Out the numbers 426, 555, 639, 771 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.