Greatest Common Factor of 308415 and 308420

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 308415, 308420 i.e. 5 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 308415 and 308420 is 5.

GCF(308415,308420) = 5

GCF of 308415 and 308420

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

GCF of:
and

Greatest Common Factor of 308415 and 308420

GCF of 308415 and 308420 is 5

Prime Factorization of 308415


3 308415
5 102805
29 20561
709 709
1

Prime factors of 308415 are 3,5,29,709. Prime factorization of 308415 in exponential form is:

308415 = 31×51×291×7091

Prime Factorization of 308420


2 308420
2 154210
5 77105
7 15421
2203 2203
1

Prime factors of 308420 are 2,5,7,2203. Prime factorization of 308420 in exponential form is:

308420 = 22×51×71×22031

∴ So by taking common prime factors GCF of 308415 and 308420 is 5

Greatest Common Factor of 308415 and 308420 by matching factors method

Factors of 308415

List of positive integer factors of 308415 that divides 308415 without a remainder.

1,3,5,15,29,87,145,435,709,2127,3545,10635,20561,61683,102805,308415

Factors of 308420

List of positive integer factors of 308420 that divides 308420 without a remainder.

1,2,4,5,7,10,14,20,28,35,70,140,2203,4406,8812,11015,15421,22030,30842,44060,61684,77105,154210,308420

Greatest Common Factor

We found the factors and prime factorization of 308415 and 308420. The biggest common factor number is the GCF number.
So the greatest common factor 308415 and 308420 is 5.

Also check out the Least Common Multiple of 308415 and 308420

Properties of GCF 308415 and 308420

(i) The GCF of 308415 and 308420 is associative

GCF of 308415 and 308420 = GCF of 308420 and 308415

Frequently Asked Questions on GCF of 308415 and 308420

1. What is the GCF of 308415 and 308420?

Answer: GCF of 308415 and 308420 is 5.

2. What are the Factors of 308415?

Answer: Factors of 308415 are 1, 3, 5, 15, 29, 87, 145, 435, 709, 2127, 3545, 10635, 20561, 61683, 102805, 308415. There are 16 integers that are factors of 308415. The greatest factor of 308415 is 308415.

3. What are the Factors of 308420?

Answer: Factors of 308420 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2203, 4406, 8812, 11015, 15421, 22030, 30842, 44060, 61684, 77105, 154210, 308420. There are 24 integers that are factors of 308420. The greatest factor of 308420 is 308420.

4. How to Find the GCF of 308415 and 308420?

Answer:

Greatest Common Factor of 308415 and 308420 = 5

Step 1: Find the prime factorization of 308415

308415 = 3 x 5 x 29 x 709

Step 2: Find the prime factorization of 308420

308420 = 2 x 2 x 5 x 7 x 2203

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

GCF = 5

Step 4: Therefore, the greatest common factor of 308415 and 308420 is 5