GCD of 120, 620, 945 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 120, 620, 945 quickly. Get the easiest ways to solve the greatest common divisor of 120, 620, 945 i.e 5 in different methods as follows.
Given Input numbers are 120, 620, 945
In the factoring method, we have to find the divisors of all numbers
Divisors of 120 :
The positive integer divisors of 120 that completely divides 120 are.
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120
Divisors of 620 :
The positive integer divisors of 620 that completely divides 620 are.
1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620
Divisors of 945 :
The positive integer divisors of 945 that completely divides 945 are.
1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945
GCD of numbers is the greatest common divisor
So, the GCD (120, 620, 945) = 5.
Given numbers are 120, 620, 945
The list of prime factors of all numbers are
Prime factors of 120 are 2 x 2 x 2 x 3 x 5
Prime factors of 620 are 2 x 2 x 5 x 31
Prime factors of 945 are 3 x 3 x 3 x 5 x 7
The highest common occurrence is 51
Therefore, GCD of 120, 620, 945 is 5.
Steps to Calculate GCD of 120, 620, 945 using LCM Formula
Given numbers are 120, 620, 945
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(120, 620) = 3720
GCD(120, 620) = ( 120 x 620 ) / 3720
= 120 / 620
= 120
Step2:
LCM(20, 945) = 3780
GCD(20, 945) = ( 20 x 945 ) / 3780
= 20 / 945
= 20
So, Greatest Common Divisor of 120, 620, 945 is 5
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 120, 620, 945
Given numbers are 120, 620, 945
The greatest common divisor of numbers 120, 620, 945 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 120, 620, 945 is 5.
FAQs on GCD of 120, 620, 945 Calculator
1. What is the GCD of 120, 620, 945?
GCD of given numbers 120, 620, 945 is 5
2. How to calculate the greatest common divisor of 120, 620, 945?
We can find the highest common divisor of 120, 620, 945 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 120, 620, 945 i.e 5.
3. How can I use the GCD of 120, 620, 945Calculator?
Out the numbers 120, 620, 945 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.