GCD of 355, 447, 840 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 355, 447, 840 quickly. Get the easiest ways to solve the greatest common divisor of 355, 447, 840 i.e 1 in different methods as follows.
Given Input numbers are 355, 447, 840
In the factoring method, we have to find the divisors of all numbers
Divisors of 355 :
The positive integer divisors of 355 that completely divides 355 are.
1, 5, 71, 355
Divisors of 447 :
The positive integer divisors of 447 that completely divides 447 are.
1, 3, 149, 447
Divisors of 840 :
The positive integer divisors of 840 that completely divides 840 are.
1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840
GCD of numbers is the greatest common divisor
So, the GCD (355, 447, 840) = 1.
Given numbers are 355, 447, 840
The list of prime factors of all numbers are
Prime factors of 355 are 5 x 71
Prime factors of 447 are 3 x 149
Prime factors of 840 are 2 x 2 x 2 x 3 x 5 x 7
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 355, 447, 840 using LCM Formula
Given numbers are 355, 447, 840
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(355, 447) = 158685
GCD(355, 447) = ( 355 x 447 ) / 158685
= 355 / 447
= 355
Step2:
LCM(1, 840) = 840
GCD(1, 840) = ( 1 x 840 ) / 840
= 1 / 840
= 1
So, Greatest Common Divisor of 355, 447, 840 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 355, 447, 840
Given numbers are 355, 447, 840
The greatest common divisor of numbers 355, 447, 840 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 355, 447, 840 is 1.
FAQs on GCD of 355, 447, 840 Calculator
1. What is the GCD of 355, 447, 840?
GCD of given numbers 355, 447, 840 is 1
2. How to calculate the greatest common divisor of 355, 447, 840?
We can find the highest common divisor of 355, 447, 840 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 355, 447, 840 i.e 1.
3. How can I use the GCD of 355, 447, 840Calculator?
Out the numbers 355, 447, 840 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.