Greatest Common Factor of 381 and 389

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 381, 389 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 381 and 389 is 1.

GCF(381,389) = 1

GCF of 381 and 389

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

GCF of:
and

Greatest Common Factor of 381 and 389

GCF of 381 and 389 is 1

Prime Factorization of 381


3 381
127 127
1

Prime factors of 381 are 3,127. Prime factorization of 381 in exponential form is:

381 = 31×1271

Prime Factorization of 389


389 389
1

Prime factors of 389 are 389. Prime factorization of 389 in exponential form is:

389 = 3891

∴ So by taking common prime factors GCF of 381 and 389 is 1

Greatest Common Factor of 381 and 389 by matching factors method

Factors of 381

List of positive integer factors of 381 that divides 381 without a remainder.

1,3,127,381

Factors of 389

List of positive integer factors of 389 that divides 389 without a remainder.

1,389

Greatest Common Factor

We found the factors and prime factorization of 381 and 389. The biggest common factor number is the GCF number.
So the greatest common factor 381 and 389 is 1.

Also check out the Least Common Multiple of 381 and 389

Properties of GCF 381 and 389

(i) The GCF of 381 and 389 is associative

GCF of 381 and 389 = GCF of 389 and 381

Related Greatest Common Factor of 381

Related Greatest Common Factor of 389

Frequently Asked Questions on GCF of 381 and 389

1. What is the GCF of 381 and 389?

Answer: GCF of 381 and 389 is 1.

2. What are the Factors of 381?

Answer: Factors of 381 are 1, 3, 127, 381. There are 4 integers that are factors of 381. The greatest factor of 381 is 381.

3. What are the Factors of 389?

Answer: Factors of 389 are 1, 389. There are 2 integers that are factors of 389. The greatest factor of 389 is 389.

4. How to Find the GCF of 381 and 389?

Answer:

Greatest Common Factor of 381 and 389 = 1

Step 1: Find the prime factorization of 381

381 = 3 x 127

Step 2: Find the prime factorization of 389

389 = 389

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 381 and 389 is 1