Greatest Common Factor of 1521 and 1528

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 1521, 1528 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1521 and 1528 is 1.

GCF(1521,1528) = 1

GCF of 1521 and 1528

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

GCF of:
and

Greatest Common Factor of 1521 and 1528

GCF of 1521 and 1528 is 1

Prime Factorization of 1521


3 1521
3 507
13 169
13 13
1

Prime factors of 1521 are 3,13. Prime factorization of 1521 in exponential form is:

1521 = 32×132

Prime Factorization of 1528


2 1528
2 764
2 382
191 191
1

Prime factors of 1528 are 2,191. Prime factorization of 1528 in exponential form is:

1528 = 23×1911

∴ So by taking common prime factors GCF of 1521 and 1528 is 1

Greatest Common Factor of 1521 and 1528 by matching factors method

Factors of 1521

List of positive integer factors of 1521 that divides 1521 without a remainder.

1,3,9,13,39,117,169,507,1521

Factors of 1528

List of positive integer factors of 1528 that divides 1528 without a remainder.

1,2,4,8,191,382,764,1528

Greatest Common Factor

We found the factors and prime factorization of 1521 and 1528. The biggest common factor number is the GCF number.
So the greatest common factor 1521 and 1528 is 1.

Also check out the Least Common Multiple of 1521 and 1528

Properties of GCF 1521 and 1528

(i) The GCF of 1521 and 1528 is associative

GCF of 1521 and 1528 = GCF of 1528 and 1521

Related Greatest Common Factor of 1521

Related Greatest Common Factor of 1528

Frequently Asked Questions on GCF of 1521 and 1528

1. What is the GCF of 1521 and 1528?

Answer: GCF of 1521 and 1528 is 1.

2. What are the Factors of 1521?

Answer: Factors of 1521 are 1, 3, 9, 13, 39, 117, 169, 507, 1521. There are 9 integers that are factors of 1521. The greatest factor of 1521 is 1521.

3. What are the Factors of 1528?

Answer: Factors of 1528 are 1, 2, 4, 8, 191, 382, 764, 1528. There are 8 integers that are factors of 1528. The greatest factor of 1528 is 1528.

4. How to Find the GCF of 1521 and 1528?

Answer:

Greatest Common Factor of 1521 and 1528 = 1

Step 1: Find the prime factorization of 1521

1521 = 3 x 3 x 13 x 13

Step 2: Find the prime factorization of 1528

1528 = 2 x 2 x 2 x 191

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 1521 and 1528 is 1