Greatest Common Factor of 408 and 415

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 408, 415 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 408 and 415 is 1.

GCF(408,415) = 1

GCF of 408 and 415

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

GCF of:
and

Greatest Common Factor of 408 and 415

GCF of 408 and 415 is 1

Prime Factorization of 408


2 408
2 204
2 102
3 51
17 17
1

Prime factors of 408 are 2,3,17. Prime factorization of 408 in exponential form is:

408 = 23×31×171

Prime Factorization of 415


5 415
83 83
1

Prime factors of 415 are 5,83. Prime factorization of 415 in exponential form is:

415 = 51×831

∴ So by taking common prime factors GCF of 408 and 415 is 1

Greatest Common Factor of 408 and 415 by matching factors method

Factors of 408

List of positive integer factors of 408 that divides 408 without a remainder.

1,2,3,4,6,8,12,17,24,34,51,68,102,136,204,408

Factors of 415

List of positive integer factors of 415 that divides 415 without a remainder.

1,5,83,415

Greatest Common Factor

We found the factors and prime factorization of 408 and 415. The biggest common factor number is the GCF number.
So the greatest common factor 408 and 415 is 1.

Also check out the Least Common Multiple of 408 and 415

Properties of GCF 408 and 415

(i) The GCF of 408 and 415 is associative

GCF of 408 and 415 = GCF of 415 and 408

Frequently Asked Questions on GCF of 408 and 415

1. What is the GCF of 408 and 415?

Answer: GCF of 408 and 415 is 1.

2. What are the Factors of 408?

Answer: Factors of 408 are 1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408. There are 16 integers that are factors of 408. The greatest factor of 408 is 408.

3. What are the Factors of 415?

Answer: Factors of 415 are 1, 5, 83, 415. There are 4 integers that are factors of 415. The greatest factor of 415 is 415.

4. How to Find the GCF of 408 and 415?

Answer:

Greatest Common Factor of 408 and 415 = 1

Step 1: Find the prime factorization of 408

408 = 2 x 2 x 2 x 3 x 17

Step 2: Find the prime factorization of 415

415 = 5 x 83

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 408 and 415 is 1