Online GCD Calculator is useful to find the GCD of 275, 378, 721 quickly. Get the easiest ways to solve the greatest common divisor of 275, 378, 721 i.e 1 in different methods as follows.
Given Input numbers are 275, 378, 721
In the factoring method, we have to find the divisors of all numbers
Divisors of 275 :
The positive integer divisors of 275 that completely divides 275 are.
1, 5, 11, 25, 55, 275
Divisors of 378 :
The positive integer divisors of 378 that completely divides 378 are.
1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378
Divisors of 721 :
The positive integer divisors of 721 that completely divides 721 are.
1, 7, 103, 721
GCD of numbers is the greatest common divisor
So, the GCD (275, 378, 721) = 1.
Given numbers are 275, 378, 721
The list of prime factors of all numbers are
Prime factors of 275 are 5 x 5 x 11
Prime factors of 378 are 2 x 3 x 3 x 3 x 7
Prime factors of 721 are 7 x 103
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 275, 378, 721
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(275, 378) = 103950
GCD(275, 378) = ( 275 x 378 ) / 103950
= 275 / 378
= 275
Step2:
LCM(1, 721) = 721
GCD(1, 721) = ( 1 x 721 ) / 721
= 1 / 721
= 1
So, Greatest Common Divisor of 275, 378, 721 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 275, 378, 721
The greatest common divisor of numbers 275, 378, 721 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 275, 378, 721 is 1.
1. What is the GCD of 275, 378, 721?
GCD of given numbers 275, 378, 721 is 1
2. How to calculate the greatest common divisor of 275, 378, 721?
We can find the highest common divisor of 275, 378, 721 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 275, 378, 721 i.e 1.
3. How can I use the GCD of 275, 378, 721Calculator?
Out the numbers 275, 378, 721 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.