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GCD of 409, 407, 402 Calculator

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


Online GCD Calculator is useful to find the GCD of 409, 407, 402 quickly. Get the easiest ways to solve the greatest common divisor of 409, 407, 402 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 409, 407, 402 with Factoring?

Given Input numbers are 409, 407, 402

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

Divisors of 409 :

The positive integer divisors of 409 that completely divides 409 are.

1, 409

Divisors of 407 :

The positive integer divisors of 407 that completely divides 407 are.

1, 11, 37, 407

Divisors of 402 :

The positive integer divisors of 402 that completely divides 402 are.

1, 2, 3, 6, 67, 134, 201, 402


GCD of numbers is the greatest common divisor

So, the GCD (409, 407, 402) = 1.

Find GCD of 409, 407, 402 using Prime Factorization

Given numbers are 409, 407, 402

The list of prime factors of all numbers are

Prime factors of 409 are 409

Prime factors of 407 are 11 x 37

Prime factors of 402 are 2 x 3 x 67

The above numbers do not have any common prime factor. So GCD is 1

Steps to Calculate GCD of 409, 407, 402 using LCM Formula

Given numbers are 409, 407, 402

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

Apply this formula for all numbers.

Step1:

LCM(409, 407) = 166463

GCD(409, 407) = ( 409 x 407 ) / 166463

= 409 / 407

= 409


Step2:

LCM(1, 402) = 402

GCD(1, 402) = ( 1 x 402 ) / 402

= 1 / 402

= 1


So, Greatest Common Divisor of 409, 407, 402 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 409, 407, 402

Given numbers are 409, 407, 402
The greatest common divisor of numbers 409, 407, 402 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 409, 407, 402 is 1.

FAQs on GCD of 409, 407, 402 Calculator

1. What is the GCD of 409, 407, 402?

GCD of given numbers 409, 407, 402 is 1


2. How to calculate the greatest common divisor of 409, 407, 402?

We can find the highest common divisor of 409, 407, 402 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 409, 407, 402 i.e 1.


3. How can I use the GCD of 409, 407, 402Calculator?

Out the numbers 409, 407, 402 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.