GCD of 642, 720, 722 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 642, 720, 722 quickly. Get the easiest ways to solve the greatest common divisor of 642, 720, 722 i.e 2 in different methods as follows.
Given Input numbers are 642, 720, 722
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 720 :
The positive integer divisors of 720 that completely divides 720 are.
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720
Divisors of 722 :
The positive integer divisors of 722 that completely divides 722 are.
1, 2, 19, 38, 361, 722
GCD of numbers is the greatest common divisor
So, the GCD (642, 720, 722) = 2.
Given numbers are 642, 720, 722
The list of prime factors of all numbers are
Prime factors of 642 are 2 x 3 x 107
Prime factors of 720 are 2 x 2 x 2 x 2 x 3 x 3 x 5
Prime factors of 722 are 2 x 19 x 19
The highest common occurrence is 21
Therefore, GCD of 642, 720, 722 is 2.
Steps to Calculate GCD of 642, 720, 722 using LCM Formula
Given numbers are 642, 720, 722
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(642, 720) = 77040
GCD(642, 720) = ( 642 x 720 ) / 77040
= 642 / 720
= 642
Step2:
LCM(6, 722) = 2166
GCD(6, 722) = ( 6 x 722 ) / 2166
= 6 / 722
= 6
So, Greatest Common Divisor of 642, 720, 722 is 2
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 642, 720, 722
Given numbers are 642, 720, 722
The greatest common divisor of numbers 642, 720, 722 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 642, 720, 722 is 2.
FAQs on GCD of 642, 720, 722 Calculator
1. What is the GCD of 642, 720, 722?
GCD of given numbers 642, 720, 722 is 2
2. How to calculate the greatest common divisor of 642, 720, 722?
We can find the highest common divisor of 642, 720, 722 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, 720, 722 i.e 2.
3. How can I use the GCD of 642, 720, 722Calculator?
Out the numbers 642, 720, 722 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.