GCD of 441, 840, 357 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 441, 840, 357 quickly. Get the easiest ways to solve the greatest common divisor of 441, 840, 357 i.e 21 in different methods as follows.
Given Input numbers are 441, 840, 357
In the factoring method, we have to find the divisors of all numbers
Divisors of 441 :
The positive integer divisors of 441 that completely divides 441 are.
1, 3, 7, 9, 21, 49, 63, 147, 441
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
Divisors of 357 :
The positive integer divisors of 357 that completely divides 357 are.
1, 3, 7, 17, 21, 51, 119, 357
GCD of numbers is the greatest common divisor
So, the GCD (441, 840, 357) = 21.
Given numbers are 441, 840, 357
The list of prime factors of all numbers are
Prime factors of 441 are 3 x 3 x 7 x 7
Prime factors of 840 are 2 x 2 x 2 x 3 x 5 x 7
Prime factors of 357 are 3 x 7 x 17
The highest common occurrence is 31 x 71
Therefore, GCD of 441, 840, 357 is 21.
Steps to Calculate GCD of 441, 840, 357 using LCM Formula
Given numbers are 441, 840, 357
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(441, 840) = 17640
GCD(441, 840) = ( 441 x 840 ) / 17640
= 441 / 840
= 441
Step2:
LCM(21, 357) = 357
GCD(21, 357) = ( 21 x 357 ) / 357
= 21 / 357
= 21
So, Greatest Common Divisor of 441, 840, 357 is 21
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 441, 840, 357
Given numbers are 441, 840, 357
The greatest common divisor of numbers 441, 840, 357 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 441, 840, 357 is 21.
FAQs on GCD of 441, 840, 357 Calculator
1. What is the GCD of 441, 840, 357?
GCD of given numbers 441, 840, 357 is 21
2. How to calculate the greatest common divisor of 441, 840, 357?
We can find the highest common divisor of 441, 840, 357 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 441, 840, 357 i.e 21.
3. How can I use the GCD of 441, 840, 357Calculator?
Out the numbers 441, 840, 357 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.