GCD of 121, 128, 400 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 121, 128, 400 quickly. Get the easiest ways to solve the greatest common divisor of 121, 128, 400 i.e 1 in different methods as follows.
Given Input numbers are 121, 128, 400
In the factoring method, we have to find the divisors of all numbers
Divisors of 121 :
The positive integer divisors of 121 that completely divides 121 are.
1, 11, 121
Divisors of 128 :
The positive integer divisors of 128 that completely divides 128 are.
1, 2, 4, 8, 16, 32, 64, 128
Divisors of 400 :
The positive integer divisors of 400 that completely divides 400 are.
1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400
GCD of numbers is the greatest common divisor
So, the GCD (121, 128, 400) = 1.
Given numbers are 121, 128, 400
The list of prime factors of all numbers are
Prime factors of 121 are 11 x 11
Prime factors of 128 are 2 x 2 x 2 x 2 x 2 x 2 x 2
Prime factors of 400 are 2 x 2 x 2 x 2 x 5 x 5
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 121, 128, 400 using LCM Formula
Given numbers are 121, 128, 400
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(121, 128) = 15488
GCD(121, 128) = ( 121 x 128 ) / 15488
= 121 / 128
= 121
Step2:
LCM(1, 400) = 400
GCD(1, 400) = ( 1 x 400 ) / 400
= 1 / 400
= 1
So, Greatest Common Divisor of 121, 128, 400 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 121, 128, 400
Given numbers are 121, 128, 400
The greatest common divisor of numbers 121, 128, 400 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 121, 128, 400 is 1.
FAQs on GCD of 121, 128, 400 Calculator
1. What is the GCD of 121, 128, 400?
GCD of given numbers 121, 128, 400 is 1
2. How to calculate the greatest common divisor of 121, 128, 400?
We can find the highest common divisor of 121, 128, 400 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 121, 128, 400 i.e 1.
3. How can I use the GCD of 121, 128, 400Calculator?
Out the numbers 121, 128, 400 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.