GCD of 975, 648, 840 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 975, 648, 840 quickly. Get the easiest ways to solve the greatest common divisor of 975, 648, 840 i.e 3 in different methods as follows.
Given Input numbers are 975, 648, 840
In the factoring method, we have to find the divisors of all numbers
Divisors of 975 :
The positive integer divisors of 975 that completely divides 975 are.
1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975
Divisors of 648 :
The positive integer divisors of 648 that completely divides 648 are.
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648
Divisors of 840 :
The positive integer divisors of 840 that completely divides 840 are.
1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840
GCD of numbers is the greatest common divisor
So, the GCD (975, 648, 840) = 3.
Given numbers are 975, 648, 840
The list of prime factors of all numbers are
Prime factors of 975 are 3 x 5 x 5 x 13
Prime factors of 648 are 2 x 2 x 2 x 3 x 3 x 3 x 3
Prime factors of 840 are 2 x 2 x 2 x 3 x 5 x 7
The highest common occurrence is 31
Therefore, GCD of 975, 648, 840 is 3.
Steps to Calculate GCD of 975, 648, 840 using LCM Formula
Given numbers are 975, 648, 840
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(975, 648) = 210600
GCD(975, 648) = ( 975 x 648 ) / 210600
= 975 / 648
= 975
Step2:
LCM(3, 840) = 840
GCD(3, 840) = ( 3 x 840 ) / 840
= 3 / 840
= 3
So, Greatest Common Divisor of 975, 648, 840 is 3
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 975, 648, 840
Given numbers are 975, 648, 840
The greatest common divisor of numbers 975, 648, 840 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 975, 648, 840 is 3.
FAQs on GCD of 975, 648, 840 Calculator
1. What is the GCD of 975, 648, 840?
GCD of given numbers 975, 648, 840 is 3
2. How to calculate the greatest common divisor of 975, 648, 840?
We can find the highest common divisor of 975, 648, 840 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 975, 648, 840 i.e 3.
3. How can I use the GCD of 975, 648, 840Calculator?
Out the numbers 975, 648, 840 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.