Online GCD Calculator is useful to find the GCD of 770, 135, 780 quickly. Get the easiest ways to solve the greatest common divisor of 770, 135, 780 i.e 5 in different methods as follows.
Given Input numbers are 770, 135, 780
In the factoring method, we have to find the divisors of all numbers
Divisors of 770 :
The positive integer divisors of 770 that completely divides 770 are.
1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770
Divisors of 135 :
The positive integer divisors of 135 that completely divides 135 are.
1, 3, 5, 9, 15, 27, 45, 135
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
GCD of numbers is the greatest common divisor
So, the GCD (770, 135, 780) = 5.
Given numbers are 770, 135, 780
The list of prime factors of all numbers are
Prime factors of 770 are 2 x 5 x 7 x 11
Prime factors of 135 are 3 x 3 x 3 x 5
Prime factors of 780 are 2 x 2 x 3 x 5 x 13
The highest common occurrence is 51
Therefore, GCD of 770, 135, 780 is 5.
Given numbers are 770, 135, 780
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(770, 135) = 20790
GCD(770, 135) = ( 770 x 135 ) / 20790
= 770 / 135
= 770
Step2:
LCM(5, 780) = 780
GCD(5, 780) = ( 5 x 780 ) / 780
= 5 / 780
= 5
So, Greatest Common Divisor of 770, 135, 780 is 5
Here are some samples of GCD of Numbers calculations.
Given numbers are 770, 135, 780
The greatest common divisor of numbers 770, 135, 780 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 770, 135, 780 is 5.
1. What is the GCD of 770, 135, 780?
GCD of given numbers 770, 135, 780 is 5
2. How to calculate the greatest common divisor of 770, 135, 780?
We can find the highest common divisor of 770, 135, 780 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 770, 135, 780 i.e 5.
3. How can I use the GCD of 770, 135, 780Calculator?
Out the numbers 770, 135, 780 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.