Greatest Common Factor of 1509 and 1515

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 1509, 1515 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1509 and 1515 is 3.

GCF(1509,1515) = 3

GCF of 1509 and 1515

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

GCF of:
and

Greatest Common Factor of 1509 and 1515

GCF of 1509 and 1515 is 3

Prime Factorization of 1509


3 1509
503 503
1

Prime factors of 1509 are 3,503. Prime factorization of 1509 in exponential form is:

1509 = 31×5031

Prime Factorization of 1515


3 1515
5 505
101 101
1

Prime factors of 1515 are 3,5,101. Prime factorization of 1515 in exponential form is:

1515 = 31×51×1011

∴ So by taking common prime factors GCF of 1509 and 1515 is 3

Greatest Common Factor of 1509 and 1515 by matching factors method

Factors of 1509

List of positive integer factors of 1509 that divides 1509 without a remainder.

1,3,503,1509

Factors of 1515

List of positive integer factors of 1515 that divides 1515 without a remainder.

1,3,5,15,101,303,505,1515

Greatest Common Factor

We found the factors and prime factorization of 1509 and 1515. The biggest common factor number is the GCF number.
So the greatest common factor 1509 and 1515 is 3.

Also check out the Least Common Multiple of 1509 and 1515

Properties of GCF 1509 and 1515

(i) The GCF of 1509 and 1515 is associative

GCF of 1509 and 1515 = GCF of 1515 and 1509

Related Greatest Common Factor of 1509

Related Greatest Common Factor of 1515

Frequently Asked Questions on GCF of 1509 and 1515

1. What is the GCF of 1509 and 1515?

Answer: GCF of 1509 and 1515 is 3.

2. What are the Factors of 1509?

Answer: Factors of 1509 are 1, 3, 503, 1509. There are 4 integers that are factors of 1509. The greatest factor of 1509 is 1509.

3. What are the Factors of 1515?

Answer: Factors of 1515 are 1, 3, 5, 15, 101, 303, 505, 1515. There are 8 integers that are factors of 1515. The greatest factor of 1515 is 1515.

4. How to Find the GCF of 1509 and 1515?

Answer:

Greatest Common Factor of 1509 and 1515 = 3

Step 1: Find the prime factorization of 1509

1509 = 3 x 503

Step 2: Find the prime factorization of 1515

1515 = 3 x 5 x 101

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 1509 and 1515 is 3