Greatest Common Factor of 5415 and 5421

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 5415, 5421 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 5415 and 5421 is 3.

GCF(5415,5421) = 3

GCF of 5415 and 5421

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

GCF of:
and

Greatest Common Factor of 5415 and 5421

GCF of 5415 and 5421 is 3

Prime Factorization of 5415


3 5415
5 1805
19 361
19 19
1

Prime factors of 5415 are 3,5,19. Prime factorization of 5415 in exponential form is:

5415 = 31×51×192

Prime Factorization of 5421


3 5421
13 1807
139 139
1

Prime factors of 5421 are 3,13,139. Prime factorization of 5421 in exponential form is:

5421 = 31×131×1391

∴ So by taking common prime factors GCF of 5415 and 5421 is 3

Greatest Common Factor of 5415 and 5421 by matching factors method

Factors of 5415

List of positive integer factors of 5415 that divides 5415 without a remainder.

1,3,5,15,19,57,95,285,361,1083,1805,5415

Factors of 5421

List of positive integer factors of 5421 that divides 5421 without a remainder.

1,3,13,39,139,417,1807,5421

Greatest Common Factor

We found the factors and prime factorization of 5415 and 5421. The biggest common factor number is the GCF number.
So the greatest common factor 5415 and 5421 is 3.

Also check out the Least Common Multiple of 5415 and 5421

Properties of GCF 5415 and 5421

(i) The GCF of 5415 and 5421 is associative

GCF of 5415 and 5421 = GCF of 5421 and 5415

Frequently Asked Questions on GCF of 5415 and 5421

1. What is the GCF of 5415 and 5421?

Answer: GCF of 5415 and 5421 is 3.

2. What are the Factors of 5415?

Answer: Factors of 5415 are 1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 5415. There are 12 integers that are factors of 5415. The greatest factor of 5415 is 5415.

3. What are the Factors of 5421?

Answer: Factors of 5421 are 1, 3, 13, 39, 139, 417, 1807, 5421. There are 8 integers that are factors of 5421. The greatest factor of 5421 is 5421.

4. How to Find the GCF of 5415 and 5421?

Answer:

Greatest Common Factor of 5415 and 5421 = 3

Step 1: Find the prime factorization of 5415

5415 = 3 x 5 x 19 x 19

Step 2: Find the prime factorization of 5421

5421 = 3 x 13 x 139

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

GCF = 3

Step 4: Therefore, the greatest common factor of 5415 and 5421 is 3