GCD of 870, 138, 830 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 870, 138, 830 quickly. Get the easiest ways to solve the greatest common divisor of 870, 138, 830 i.e 2 in different methods as follows.
Given Input numbers are 870, 138, 830
In the factoring method, we have to find the divisors of all numbers
Divisors of 870 :
The positive integer divisors of 870 that completely divides 870 are.
1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870
Divisors of 138 :
The positive integer divisors of 138 that completely divides 138 are.
1, 2, 3, 6, 23, 46, 69, 138
Divisors of 830 :
The positive integer divisors of 830 that completely divides 830 are.
1, 2, 5, 10, 83, 166, 415, 830
GCD of numbers is the greatest common divisor
So, the GCD (870, 138, 830) = 2.
Given numbers are 870, 138, 830
The list of prime factors of all numbers are
Prime factors of 870 are 2 x 3 x 5 x 29
Prime factors of 138 are 2 x 3 x 23
Prime factors of 830 are 2 x 5 x 83
The highest common occurrence is 21
Therefore, GCD of 870, 138, 830 is 2.
Steps to Calculate GCD of 870, 138, 830 using LCM Formula
Given numbers are 870, 138, 830
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(870, 138) = 20010
GCD(870, 138) = ( 870 x 138 ) / 20010
= 870 / 138
= 870
Step2:
LCM(6, 830) = 2490
GCD(6, 830) = ( 6 x 830 ) / 2490
= 6 / 830
= 6
So, Greatest Common Divisor of 870, 138, 830 is 2
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 870, 138, 830
Given numbers are 870, 138, 830
The greatest common divisor of numbers 870, 138, 830 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 870, 138, 830 is 2.
FAQs on GCD of 870, 138, 830 Calculator
1. What is the GCD of 870, 138, 830?
GCD of given numbers 870, 138, 830 is 2
2. How to calculate the greatest common divisor of 870, 138, 830?
We can find the highest common divisor of 870, 138, 830 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 870, 138, 830 i.e 2.
3. How can I use the GCD of 870, 138, 830Calculator?
Out the numbers 870, 138, 830 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.