GCD of 642, 820, 740 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 642, 820, 740 quickly. Get the easiest ways to solve the greatest common divisor of 642, 820, 740 i.e 2 in different methods as follows.
Given Input numbers are 642, 820, 740
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 820 :
The positive integer divisors of 820 that completely divides 820 are.
1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820
Divisors of 740 :
The positive integer divisors of 740 that completely divides 740 are.
1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740
GCD of numbers is the greatest common divisor
So, the GCD (642, 820, 740) = 2.
Given numbers are 642, 820, 740
The list of prime factors of all numbers are
Prime factors of 642 are 2 x 3 x 107
Prime factors of 820 are 2 x 2 x 5 x 41
Prime factors of 740 are 2 x 2 x 5 x 37
The highest common occurrence is 21
Therefore, GCD of 642, 820, 740 is 2.
Steps to Calculate GCD of 642, 820, 740 using LCM Formula
Given numbers are 642, 820, 740
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(642, 820) = 263220
GCD(642, 820) = ( 642 x 820 ) / 263220
= 642 / 820
= 642
Step2:
LCM(2, 740) = 740
GCD(2, 740) = ( 2 x 740 ) / 740
= 2 / 740
= 2
So, Greatest Common Divisor of 642, 820, 740 is 2
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 642, 820, 740
Given numbers are 642, 820, 740
The greatest common divisor of numbers 642, 820, 740 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 642, 820, 740 is 2.
FAQs on GCD of 642, 820, 740 Calculator
1. What is the GCD of 642, 820, 740?
GCD of given numbers 642, 820, 740 is 2
2. How to calculate the greatest common divisor of 642, 820, 740?
We can find the highest common divisor of 642, 820, 740 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, 820, 740 i.e 2.
3. How can I use the GCD of 642, 820, 740Calculator?
Out the numbers 642, 820, 740 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.