GCD of 819, 637, 770 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 819, 637, 770 quickly. Get the easiest ways to solve the greatest common divisor of 819, 637, 770 i.e 7 in different methods as follows.
Given Input numbers are 819, 637, 770
In the factoring method, we have to find the divisors of all numbers
Divisors of 819 :
The positive integer divisors of 819 that completely divides 819 are.
1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819
Divisors of 637 :
The positive integer divisors of 637 that completely divides 637 are.
1, 7, 13, 49, 91, 637
Divisors of 770 :
The positive integer divisors of 770 that completely divides 770 are.
1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770
GCD of numbers is the greatest common divisor
So, the GCD (819, 637, 770) = 7.
Given numbers are 819, 637, 770
The list of prime factors of all numbers are
Prime factors of 819 are 3 x 3 x 7 x 13
Prime factors of 637 are 7 x 7 x 13
Prime factors of 770 are 2 x 5 x 7 x 11
The highest common occurrence is 71
Therefore, GCD of 819, 637, 770 is 7.
Steps to Calculate GCD of 819, 637, 770 using LCM Formula
Given numbers are 819, 637, 770
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(819, 637) = 5733
GCD(819, 637) = ( 819 x 637 ) / 5733
= 819 / 637
= 819
Step2:
LCM(91, 770) = 10010
GCD(91, 770) = ( 91 x 770 ) / 10010
= 91 / 770
= 91
So, Greatest Common Divisor of 819, 637, 770 is 7
GCD of Numbers Calculation Examples
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Greatest Common Divisor of 819, 637, 770
Given numbers are 819, 637, 770
The greatest common divisor of numbers 819, 637, 770 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 819, 637, 770 is 7.
FAQs on GCD of 819, 637, 770 Calculator
1. What is the GCD of 819, 637, 770?
GCD of given numbers 819, 637, 770 is 7
2. How to calculate the greatest common divisor of 819, 637, 770?
We can find the highest common divisor of 819, 637, 770 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 819, 637, 770 i.e 7.
3. How can I use the GCD of 819, 637, 770Calculator?
Out the numbers 819, 637, 770 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.