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 389, 392 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 389 and 392 is 1.
GCF(389,392) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 389
389 | 389 |
1 |
Prime factors of 389 are 389. Prime factorization of 389 in exponential form is:
389 = 3891
Prime Factorization of 392
2 | 392 |
2 | 196 |
2 | 98 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 392 are 2.Prime factorization of 392 in exponential form is:
392 = 23×72
∴ So by taking common prime factors GCF of 389 and 392 is 1
Factors of 389
List of positive integer factors of 389 that divides 389 without a remainder.
1,389
Factors of 392
List of positive integer factors of 392 that divides 392 without a remainder.
1,2,4,7,8,14,28,49,56,98,196,392
Greatest Common Factor
We found the factors and prime factorization of 389 and 392. The biggest common factor number is the GCF number.
So the greatest common factor 389 and 392 is 1.
Also check out the Least Common Multiple of 389 and 392
(i) The GCF of 389 and 392 is associative
GCF of 389 and 392 = GCF of 392 and 389
1. What is the GCF of 389 and 392?
Answer: GCF of 389 and 392 is 1.
2. 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.
3. What are the Factors of 392?
Answer: Factors of 392 are 1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392. There are 12 integers that are factors of 392. The greatest factor of 392 is 392.
4. How to Find the GCF of 389 and 392?
Answer:
Greatest Common Factor of 389 and 392 = 1
Step 1: Find the prime factorization of 389
389 = 389
Step 2: Find the prime factorization of 392
392 = 2 x 2 x 2 x 7 x 7
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 389 and 392 is 1