GCD of 642, 462, 345 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 642, 462, 345 quickly. Get the easiest ways to solve the greatest common divisor of 642, 462, 345 i.e 3 in different methods as follows.
Given Input numbers are 642, 462, 345
In the factoring method, we have to find the divisors of all numbers
Divisors of 642 :
The positive integer divisors of 642 that completely divides 642 are.
1, 2, 3, 6, 107, 214, 321, 642
Divisors of 462 :
The positive integer divisors of 462 that completely divides 462 are.
1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462
Divisors of 345 :
The positive integer divisors of 345 that completely divides 345 are.
1, 3, 5, 15, 23, 69, 115, 345
GCD of numbers is the greatest common divisor
So, the GCD (642, 462, 345) = 3.
Given numbers are 642, 462, 345
The list of prime factors of all numbers are
Prime factors of 642 are 2 x 3 x 107
Prime factors of 462 are 2 x 3 x 7 x 11
Prime factors of 345 are 3 x 5 x 23
The highest common occurrence is 31
Therefore, GCD of 642, 462, 345 is 3.
Steps to Calculate GCD of 642, 462, 345 using LCM Formula
Given numbers are 642, 462, 345
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(642, 462) = 49434
GCD(642, 462) = ( 642 x 462 ) / 49434
= 642 / 462
= 642
Step2:
LCM(6, 345) = 690
GCD(6, 345) = ( 6 x 345 ) / 690
= 6 / 345
= 6
So, Greatest Common Divisor of 642, 462, 345 is 3
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 642, 462, 345
Given numbers are 642, 462, 345
The greatest common divisor of numbers 642, 462, 345 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 642, 462, 345 is 3.
FAQs on GCD of 642, 462, 345 Calculator
1. What is the GCD of 642, 462, 345?
GCD of given numbers 642, 462, 345 is 3
2. How to calculate the greatest common divisor of 642, 462, 345?
We can find the highest common divisor of 642, 462, 345 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 642, 462, 345 i.e 3.
3. How can I use the GCD of 642, 462, 345Calculator?
Out the numbers 642, 462, 345 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.