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GCD of 945, 840, 679 Calculator

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023


Online GCD Calculator is useful to find the GCD of 945, 840, 679 quickly. Get the easiest ways to solve the greatest common divisor of 945, 840, 679 i.e 7 in different methods as follows.

GCD of

How to Find GCD of Numbers 945, 840, 679 with Factoring?

Given Input numbers are 945, 840, 679

In the factoring method, we have to find the divisors of all numbers

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

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

Divisors of 679 :

The positive integer divisors of 679 that completely divides 679 are.

1, 7, 97, 679


GCD of numbers is the greatest common divisor

So, the GCD (945, 840, 679) = 7.

Find GCD of 945, 840, 679 using Prime Factorization

Given numbers are 945, 840, 679

The list of prime factors of all numbers are

Prime factors of 945 are 3 x 3 x 3 x 5 x 7

Prime factors of 840 are 2 x 2 x 2 x 3 x 5 x 7

Prime factors of 679 are 7 x 97

The highest common occurrence is 71

Therefore, GCD of 945, 840, 679 is 7.

Steps to Calculate GCD of 945, 840, 679 using LCM Formula

Given numbers are 945, 840, 679

GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)

Apply this formula for all numbers.

Step1:

LCM(945, 840) = 7560

GCD(945, 840) = ( 945 x 840 ) / 7560

= 945 / 840

= 945


Step2:

LCM(105, 679) = 10185

GCD(105, 679) = ( 105 x 679 ) / 10185

= 105 / 679

= 105


So, Greatest Common Divisor of 945, 840, 679 is 7

GCD of Numbers Calculation Examples

Greatest Common Divisor of 945, 840, 679

Given numbers are 945, 840, 679
The greatest common divisor of numbers 945, 840, 679 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 945, 840, 679 is 7.

FAQs on GCD of 945, 840, 679 Calculator

1. What is the GCD of 945, 840, 679?

GCD of given numbers 945, 840, 679 is 7


2. How to calculate the greatest common divisor of 945, 840, 679?

We can find the highest common divisor of 945, 840, 679 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 945, 840, 679 i.e 7.


3. How can I use the GCD of 945, 840, 679Calculator?

Out the numbers 945, 840, 679 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.