Greatest Common Factor of 1531 and 1539

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 1531, 1539 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1531 and 1539 is 1.

GCF(1531,1539) = 1

GCF of 1531 and 1539

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

GCF of:
and

Greatest Common Factor of 1531 and 1539

GCF of 1531 and 1539 is 1

Prime Factorization of 1531


1531 1531
1

Prime factors of 1531 are 1531. Prime factorization of 1531 in exponential form is:

1531 = 15311

Prime Factorization of 1539


3 1539
3 513
3 171
3 57
19 19
1

Prime factors of 1539 are 3.Prime factorization of 1539 in exponential form is:

1539 = 34×191

∴ So by taking common prime factors GCF of 1531 and 1539 is 1

Greatest Common Factor of 1531 and 1539 by matching factors method

Factors of 1531

List of positive integer factors of 1531 that divides 1531 without a remainder.

1,1531

Factors of 1539

List of positive integer factors of 1539 that divides 1539 without a remainder.

1,3,9,19,27,57,81,171,513,1539

Greatest Common Factor

We found the factors and prime factorization of 1531 and 1539. The biggest common factor number is the GCF number.
So the greatest common factor 1531 and 1539 is 1.

Also check out the Least Common Multiple of 1531 and 1539

Properties of GCF 1531 and 1539

(i) The GCF of 1531 and 1539 is associative

GCF of 1531 and 1539 = GCF of 1539 and 1531

Related Greatest Common Factor of 1531

Related Greatest Common Factor of 1539

Frequently Asked Questions on GCF of 1531 and 1539

1. What is the GCF of 1531 and 1539?

Answer: GCF of 1531 and 1539 is 1.

2. What are the Factors of 1531?

Answer: Factors of 1531 are 1, 1531. There are 2 integers that are factors of 1531. The greatest factor of 1531 is 1531.

3. What are the Factors of 1539?

Answer: Factors of 1539 are 1, 3, 9, 19, 27, 57, 81, 171, 513, 1539. There are 10 integers that are factors of 1539. The greatest factor of 1539 is 1539.

4. How to Find the GCF of 1531 and 1539?

Answer:

Greatest Common Factor of 1531 and 1539 = 1

Step 1: Find the prime factorization of 1531

1531 = 1531

Step 2: Find the prime factorization of 1539

1539 = 3 x 3 x 3 x 3 x 19

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 1531 and 1539 is 1