GCD of 770, 228, 421 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 770, 228, 421 quickly. Get the easiest ways to solve the greatest common divisor of 770, 228, 421 i.e 1 in different methods as follows.
Given Input numbers are 770, 228, 421
In the factoring method, we have to find the divisors of all numbers
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
Divisors of 228 :
The positive integer divisors of 228 that completely divides 228 are.
1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228
Divisors of 421 :
The positive integer divisors of 421 that completely divides 421 are.
1, 421
GCD of numbers is the greatest common divisor
So, the GCD (770, 228, 421) = 1.
Given numbers are 770, 228, 421
The list of prime factors of all numbers are
Prime factors of 770 are 2 x 5 x 7 x 11
Prime factors of 228 are 2 x 2 x 3 x 19
Prime factors of 421 are 421
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 770, 228, 421 using LCM Formula
Given numbers are 770, 228, 421
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(770, 228) = 87780
GCD(770, 228) = ( 770 x 228 ) / 87780
= 770 / 228
= 770
Step2:
LCM(2, 421) = 842
GCD(2, 421) = ( 2 x 421 ) / 842
= 2 / 421
= 2
So, Greatest Common Divisor of 770, 228, 421 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 770, 228, 421
Given numbers are 770, 228, 421
The greatest common divisor of numbers 770, 228, 421 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 770, 228, 421 is 1.
FAQs on GCD of 770, 228, 421 Calculator
1. What is the GCD of 770, 228, 421?
GCD of given numbers 770, 228, 421 is 1
2. How to calculate the greatest common divisor of 770, 228, 421?
We can find the highest common divisor of 770, 228, 421 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 770, 228, 421 i.e 1.
3. How can I use the GCD of 770, 228, 421Calculator?
Out the numbers 770, 228, 421 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.