Greatest Common Factor of 2405 and 2409

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 2405, 2409 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 2405 and 2409 is 1.

GCF(2405,2409) = 1

GCF of 2405 and 2409

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 2405 and 2409

GCF of 2405 and 2409 is 1

Prime Factorization of 2405


5 2405
13 481
37 37
1

Prime factors of 2405 are 5,13,37. Prime factorization of 2405 in exponential form is:

2405 = 51×131×371

Prime Factorization of 2409


3 2409
11 803
73 73
1

Prime factors of 2409 are 3,11,73. Prime factorization of 2409 in exponential form is:

2409 = 31×111×731

∴ So by taking common prime factors GCF of 2405 and 2409 is 1

Greatest Common Factor of 2405 and 2409 by matching factors method

Factors of 2405

List of positive integer factors of 2405 that divides 2405 without a remainder.

1,5,13,37,65,185,481,2405

Factors of 2409

List of positive integer factors of 2409 that divides 2409 without a remainder.

1,3,11,33,73,219,803,2409

Greatest Common Factor

We found the factors and prime factorization of 2405 and 2409. The biggest common factor number is the GCF number.
So the greatest common factor 2405 and 2409 is 1.

Also check out the Least Common Multiple of 2405 and 2409

Properties of GCF 2405 and 2409

(i) The GCF of 2405 and 2409 is associative

GCF of 2405 and 2409 = GCF of 2409 and 2405

Frequently Asked Questions on GCF of 2405 and 2409

1. What is the GCF of 2405 and 2409?

Answer: GCF of 2405 and 2409 is 1.

2. What are the Factors of 2405?

Answer: Factors of 2405 are 1, 5, 13, 37, 65, 185, 481, 2405. There are 8 integers that are factors of 2405. The greatest factor of 2405 is 2405.

3. What are the Factors of 2409?

Answer: Factors of 2409 are 1, 3, 11, 33, 73, 219, 803, 2409. There are 8 integers that are factors of 2409. The greatest factor of 2409 is 2409.

4. How to Find the GCF of 2405 and 2409?

Answer:

Greatest Common Factor of 2405 and 2409 = 1

Step 1: Find the prime factorization of 2405

2405 = 5 x 13 x 37

Step 2: Find the prime factorization of 2409

2409 = 3 x 11 x 73

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = = 1

Step 4: Therefore, the greatest common factor of 2405 and 2409 is 1