GCD of 505, 309, 70 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 505, 309, 70 quickly. Get the easiest ways to solve the greatest common divisor of 505, 309, 70 i.e 1 in different methods as follows.
Given Input numbers are 505, 309, 70
In the factoring method, we have to find the divisors of all numbers
Divisors of 505 :
The positive integer divisors of 505 that completely divides 505 are.
1, 5, 101, 505
Divisors of 309 :
The positive integer divisors of 309 that completely divides 309 are.
1, 3, 103, 309
Divisors of 70 :
The positive integer divisors of 70 that completely divides 70 are.
1, 2, 5, 7, 10, 14, 35, 70
GCD of numbers is the greatest common divisor
So, the GCD (505, 309, 70) = 1.
Given numbers are 505, 309, 70
The list of prime factors of all numbers are
Prime factors of 505 are 5 x 101
Prime factors of 309 are 3 x 103
Prime factors of 70 are 2 x 5 x 7
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 505, 309, 70 using LCM Formula
Given numbers are 505, 309, 70
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(505, 309) = 156045
GCD(505, 309) = ( 505 x 309 ) / 156045
= 505 / 309
= 505
Step2:
LCM(1, 70) = 70
GCD(1, 70) = ( 1 x 70 ) / 70
= 1 / 70
= 1
So, Greatest Common Divisor of 505, 309, 70 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 505, 309, 70
Given numbers are 505, 309, 70
The greatest common divisor of numbers 505, 309, 70 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 505, 309, 70 is 1.
FAQs on GCD of 505, 309, 70 Calculator
1. What is the GCD of 505, 309, 70?
GCD of given numbers 505, 309, 70 is 1
2. How to calculate the greatest common divisor of 505, 309, 70?
We can find the highest common divisor of 505, 309, 70 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 505, 309, 70 i.e 1.
3. How can I use the GCD of 505, 309, 70Calculator?
Out the numbers 505, 309, 70 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.