GCD of 775, 639, 980 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 775, 639, 980 quickly. Get the easiest ways to solve the greatest common divisor of 775, 639, 980 i.e 1 in different methods as follows.
Given Input numbers are 775, 639, 980
In the factoring method, we have to find the divisors of all numbers
Divisors of 775 :
The positive integer divisors of 775 that completely divides 775 are.
1, 5, 25, 31, 155, 775
Divisors of 639 :
The positive integer divisors of 639 that completely divides 639 are.
1, 3, 9, 71, 213, 639
Divisors of 980 :
The positive integer divisors of 980 that completely divides 980 are.
1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980
GCD of numbers is the greatest common divisor
So, the GCD (775, 639, 980) = 1.
Given numbers are 775, 639, 980
The list of prime factors of all numbers are
Prime factors of 775 are 5 x 5 x 31
Prime factors of 639 are 3 x 3 x 71
Prime factors of 980 are 2 x 2 x 5 x 7 x 7
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 775, 639, 980 using LCM Formula
Given numbers are 775, 639, 980
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(775, 639) = 495225
GCD(775, 639) = ( 775 x 639 ) / 495225
= 775 / 639
= 775
Step2:
LCM(1, 980) = 980
GCD(1, 980) = ( 1 x 980 ) / 980
= 1 / 980
= 1
So, Greatest Common Divisor of 775, 639, 980 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 775, 639, 980
Given numbers are 775, 639, 980
The greatest common divisor of numbers 775, 639, 980 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 775, 639, 980 is 1.
FAQs on GCD of 775, 639, 980 Calculator
1. What is the GCD of 775, 639, 980?
GCD of given numbers 775, 639, 980 is 1
2. How to calculate the greatest common divisor of 775, 639, 980?
We can find the highest common divisor of 775, 639, 980 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 775, 639, 980 i.e 1.
3. How can I use the GCD of 775, 639, 980Calculator?
Out the numbers 775, 639, 980 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.