Online GCD Calculator is useful to find the GCD of 76, 72, 54, 78 quickly. Get the easiest ways to solve the greatest common divisor of 76, 72, 54, 78 i.e 2 in different methods as follows.
Given Input numbers are 76, 72, 54, 78
In the factoring method, we have to find the divisors of all numbers
Divisors of 76 :
The positive integer divisors of 76 that completely divides 76 are.
1, 2, 4, 19, 38, 76
Divisors of 72 :
The positive integer divisors of 72 that completely divides 72 are.
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
Divisors of 54 :
The positive integer divisors of 54 that completely divides 54 are.
1, 2, 3, 6, 9, 18, 27, 54
Divisors of 78 :
The positive integer divisors of 78 that completely divides 78 are.
1, 2, 3, 6, 13, 26, 39, 78
GCD of numbers is the greatest common divisor
So, the GCD (76, 72, 54, 78) = 2.
Given numbers are 76, 72, 54, 78
The list of prime factors of all numbers are
Prime factors of 76 are 2 x 2 x 19
Prime factors of 72 are 2 x 2 x 2 x 3 x 3
Prime factors of 54 are 2 x 3 x 3 x 3
Prime factors of 78 are 2 x 3 x 13
The highest common occurrence is 21
Therefore, GCD of 76, 72, 54, 78 is 2.
Given numbers are 76, 72, 54, 78
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(76, 72) = 1368
GCD(76, 72) = ( 76 x 72 ) / 1368
= 76 / 72
= 76
Step2:
LCM(4, 54) = 108
GCD(4, 54) = ( 4 x 54 ) / 108
= 4 / 54
= 4
Step3:
LCM(2, 78) = 78
GCD(2, 78) = ( 2 x 78 ) / 78
= 2 / 78
= 2
So, Greatest Common Divisor of 76, 72, 54, 78 is 2
Here are some samples of GCD of Numbers calculations.
Given numbers are 76, 72, 54, 78
The greatest common divisor of numbers 76, 72, 54, 78 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 76, 72, 54, 78 is 2.
1. What is the GCD of 76, 72, 54, 78?
GCD of given numbers 76, 72, 54, 78 is 2
2. How to calculate the greatest common divisor of 76, 72, 54, 78?
We can find the highest common divisor of 76, 72, 54, 78 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 76, 72, 54, 78 i.e 2.
3. How can I use the GCD of 76, 72, 54, 78Calculator?
Out the numbers 76, 72, 54, 78 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.