Greatest Common Factor of 1385 and 1389

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 1385, 1389 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1385 and 1389 is 1.

GCF(1385,1389) = 1

GCF of 1385 and 1389

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

GCF of:
and

Greatest Common Factor of 1385 and 1389

GCF of 1385 and 1389 is 1

Prime Factorization of 1385


5 1385
277 277
1

Prime factors of 1385 are 5,277. Prime factorization of 1385 in exponential form is:

1385 = 51×2771

Prime Factorization of 1389


3 1389
463 463
1

Prime factors of 1389 are 3,463. Prime factorization of 1389 in exponential form is:

1389 = 31×4631

∴ So by taking common prime factors GCF of 1385 and 1389 is 1

Greatest Common Factor of 1385 and 1389 by matching factors method

Factors of 1385

List of positive integer factors of 1385 that divides 1385 without a remainder.

1,5,277,1385

Factors of 1389

List of positive integer factors of 1389 that divides 1389 without a remainder.

1,3,463,1389

Greatest Common Factor

We found the factors and prime factorization of 1385 and 1389. The biggest common factor number is the GCF number.
So the greatest common factor 1385 and 1389 is 1.

Also check out the Least Common Multiple of 1385 and 1389

Properties of GCF 1385 and 1389

(i) The GCF of 1385 and 1389 is associative

GCF of 1385 and 1389 = GCF of 1389 and 1385

Frequently Asked Questions on GCF of 1385 and 1389

1. What is the GCF of 1385 and 1389?

Answer: GCF of 1385 and 1389 is 1.

2. What are the Factors of 1385?

Answer: Factors of 1385 are 1, 5, 277, 1385. There are 4 integers that are factors of 1385. The greatest factor of 1385 is 1385.

3. What are the Factors of 1389?

Answer: Factors of 1389 are 1, 3, 463, 1389. There are 4 integers that are factors of 1389. The greatest factor of 1389 is 1389.

4. How to Find the GCF of 1385 and 1389?

Answer:

Greatest Common Factor of 1385 and 1389 = 1

Step 1: Find the prime factorization of 1385

1385 = 5 x 277

Step 2: Find the prime factorization of 1389

1389 = 3 x 463

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 1385 and 1389 is 1