GCD of 155, 217, 688 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 155, 217, 688 quickly. Get the easiest ways to solve the greatest common divisor of 155, 217, 688 i.e 1 in different methods as follows.
Given Input numbers are 155, 217, 688
In the factoring method, we have to find the divisors of all numbers
Divisors of 155 :
The positive integer divisors of 155 that completely divides 155 are.
1, 5, 31, 155
Divisors of 217 :
The positive integer divisors of 217 that completely divides 217 are.
1, 7, 31, 217
Divisors of 688 :
The positive integer divisors of 688 that completely divides 688 are.
1, 2, 4, 8, 16, 43, 86, 172, 344, 688
GCD of numbers is the greatest common divisor
So, the GCD (155, 217, 688) = 1.
Given numbers are 155, 217, 688
The list of prime factors of all numbers are
Prime factors of 155 are 5 x 31
Prime factors of 217 are 7 x 31
Prime factors of 688 are 2 x 2 x 2 x 2 x 43
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 155, 217, 688 using LCM Formula
Given numbers are 155, 217, 688
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(155, 217) = 1085
GCD(155, 217) = ( 155 x 217 ) / 1085
= 155 / 217
= 155
Step2:
LCM(31, 688) = 21328
GCD(31, 688) = ( 31 x 688 ) / 21328
= 31 / 688
= 31
So, Greatest Common Divisor of 155, 217, 688 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 155, 217, 688
Given numbers are 155, 217, 688
The greatest common divisor of numbers 155, 217, 688 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 155, 217, 688 is 1.
FAQs on GCD of 155, 217, 688 Calculator
1. What is the GCD of 155, 217, 688?
GCD of given numbers 155, 217, 688 is 1
2. How to calculate the greatest common divisor of 155, 217, 688?
We can find the highest common divisor of 155, 217, 688 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 155, 217, 688 i.e 1.
3. How can I use the GCD of 155, 217, 688Calculator?
Out the numbers 155, 217, 688 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.