Online GCD Calculator is useful to find the GCD of 842, 391, 720, 709 quickly. Get the easiest ways to solve the greatest common divisor of 842, 391, 720, 709 i.e 1 in different methods as follows.
Given Input numbers are 842, 391, 720, 709
In the factoring method, we have to find the divisors of all numbers
Divisors of 842 :
The positive integer divisors of 842 that completely divides 842 are.
1, 2, 421, 842
Divisors of 391 :
The positive integer divisors of 391 that completely divides 391 are.
1, 17, 23, 391
Divisors of 720 :
The positive integer divisors of 720 that completely divides 720 are.
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720
Divisors of 709 :
The positive integer divisors of 709 that completely divides 709 are.
1, 709
GCD of numbers is the greatest common divisor
So, the GCD (842, 391, 720, 709) = 1.
Given numbers are 842, 391, 720, 709
The list of prime factors of all numbers are
Prime factors of 842 are 2 x 421
Prime factors of 391 are 17 x 23
Prime factors of 720 are 2 x 2 x 2 x 2 x 3 x 3 x 5
Prime factors of 709 are 709
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 842, 391, 720, 709
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(842, 391) = 329222
GCD(842, 391) = ( 842 x 391 ) / 329222
= 842 / 391
= 842
Step2:
LCM(1, 720) = 720
GCD(1, 720) = ( 1 x 720 ) / 720
= 1 / 720
= 1
Step3:
LCM(1, 709) = 709
GCD(1, 709) = ( 1 x 709 ) / 709
= 1 / 709
= 1
So, Greatest Common Divisor of 842, 391, 720, 709 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 842, 391, 720, 709
The greatest common divisor of numbers 842, 391, 720, 709 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 842, 391, 720, 709 is 1.
1. What is the GCD of 842, 391, 720, 709?
GCD of given numbers 842, 391, 720, 709 is 1
2. How to calculate the greatest common divisor of 842, 391, 720, 709?
We can find the highest common divisor of 842, 391, 720, 709 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 842, 391, 720, 709 i.e 1.
3. How can I use the GCD of 842, 391, 720, 709Calculator?
Out the numbers 842, 391, 720, 709 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.