Online GCD Calculator is useful to find the GCD of 162, 780, 778, 842 quickly. Get the easiest ways to solve the greatest common divisor of 162, 780, 778, 842 i.e 2 in different methods as follows.
Given Input numbers are 162, 780, 778, 842
In the factoring method, we have to find the divisors of all numbers
Divisors of 162 :
The positive integer divisors of 162 that completely divides 162 are.
1, 2, 3, 6, 9, 18, 27, 54, 81, 162
Divisors of 780 :
The positive integer divisors of 780 that completely divides 780 are.
1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780
Divisors of 778 :
The positive integer divisors of 778 that completely divides 778 are.
1, 2, 389, 778
Divisors of 842 :
The positive integer divisors of 842 that completely divides 842 are.
1, 2, 421, 842
GCD of numbers is the greatest common divisor
So, the GCD (162, 780, 778, 842) = 2.
Given numbers are 162, 780, 778, 842
The list of prime factors of all numbers are
Prime factors of 162 are 2 x 3 x 3 x 3 x 3
Prime factors of 780 are 2 x 2 x 3 x 5 x 13
Prime factors of 778 are 2 x 389
Prime factors of 842 are 2 x 421
The highest common occurrence is 21
Therefore, GCD of 162, 780, 778, 842 is 2.
Given numbers are 162, 780, 778, 842
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(162, 780) = 21060
GCD(162, 780) = ( 162 x 780 ) / 21060
= 162 / 780
= 162
Step2:
LCM(6, 778) = 2334
GCD(6, 778) = ( 6 x 778 ) / 2334
= 6 / 778
= 6
Step3:
LCM(2, 842) = 842
GCD(2, 842) = ( 2 x 842 ) / 842
= 2 / 842
= 2
So, Greatest Common Divisor of 162, 780, 778, 842 is 2
Here are some samples of GCD of Numbers calculations.
Given numbers are 162, 780, 778, 842
The greatest common divisor of numbers 162, 780, 778, 842 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 162, 780, 778, 842 is 2.
1. What is the GCD of 162, 780, 778, 842?
GCD of given numbers 162, 780, 778, 842 is 2
2. How to calculate the greatest common divisor of 162, 780, 778, 842?
We can find the highest common divisor of 162, 780, 778, 842 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 162, 780, 778, 842 i.e 2.
3. How can I use the GCD of 162, 780, 778, 842Calculator?
Out the numbers 162, 780, 778, 842 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.