GCD of 991, 438, 359, 345 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 991, 438, 359, 345 quickly. Get the easiest ways to solve the greatest common divisor of 991, 438, 359, 345 i.e 1 in different methods as follows.
Given Input numbers are 991, 438, 359, 345
In the factoring method, we have to find the divisors of all numbers
Divisors of 991 :
The positive integer divisors of 991 that completely divides 991 are.
1, 991
Divisors of 438 :
The positive integer divisors of 438 that completely divides 438 are.
1, 2, 3, 6, 73, 146, 219, 438
Divisors of 359 :
The positive integer divisors of 359 that completely divides 359 are.
1, 359
Divisors of 345 :
The positive integer divisors of 345 that completely divides 345 are.
1, 3, 5, 15, 23, 69, 115, 345
GCD of numbers is the greatest common divisor
So, the GCD (991, 438, 359, 345) = 1.
Given numbers are 991, 438, 359, 345
The list of prime factors of all numbers are
Prime factors of 991 are 991
Prime factors of 438 are 2 x 3 x 73
Prime factors of 359 are 359
Prime factors of 345 are 3 x 5 x 23
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 991, 438, 359, 345 using LCM Formula
Given numbers are 991, 438, 359, 345
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(991, 438) = 434058
GCD(991, 438) = ( 991 x 438 ) / 434058
= 991 / 438
= 991
Step2:
LCM(1, 359) = 359
GCD(1, 359) = ( 1 x 359 ) / 359
= 1 / 359
= 1
Step3:
LCM(1, 345) = 345
GCD(1, 345) = ( 1 x 345 ) / 345
= 1 / 345
= 1
So, Greatest Common Divisor of 991, 438, 359, 345 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 991, 438, 359, 345
Given numbers are 991, 438, 359, 345
The greatest common divisor of numbers 991, 438, 359, 345 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 991, 438, 359, 345 is 1.
FAQs on GCD of 991, 438, 359, 345 Calculator
1. What is the GCD of 991, 438, 359, 345?
GCD of given numbers 991, 438, 359, 345 is 1
2. How to calculate the greatest common divisor of 991, 438, 359, 345?
We can find the highest common divisor of 991, 438, 359, 345 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 991, 438, 359, 345 i.e 1.
3. How can I use the GCD of 991, 438, 359, 345Calculator?
Out the numbers 991, 438, 359, 345 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.