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131 LearnersLast updated on December 2nd, 2024
Is 389 a Prime Number?
A number is classified as a prime number if it satisfies a certain condition. The number has to be having only two factors 1 and the number itself, all other numbers which have more than two factors are categorized under composite numbers. The prime are used in our everyday life for the security and pin encryption and in machinery building.
Is 389 a prime number?
A prime number should not have factors more than 2 and 389 only has 2 divisors. Yes, 389 is a prime number.
The divisors of 389 are 1 and 389. Therefore, 389 is a prime number. Prime numbers are the numbers which have only 2 factors.
Why is 389 a prime number?
A number to be a prime number should follow the criteria, which is that it should not have factors more than 2. 389 has only 2 factors, so it is a prime number.
Given below are a few ways that can be used to find prime or composite numbers.
Using the Counting Divisors Method
In this method, the divisors of a number are listed, and the number is checked, to be called a prime number. The counting divisors method for 389 would simply be
Divisors of 389 = 1, 389
Number of divisors = 2
The number 389 can be considered prime.
Using the Divisibility Test Method
In divisibility method, the prime number only has 2 divisors, which are 1 and itself.
Divisors of 389 = 1, 389
As 389 has 2 factors, it is a prime number.
Using Prime Number Chart
We write the prime number chart up to 10, which helps in sorting numbers.
The prime numbers from 300 to 400 are 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397. 389 is on the list, so it is a prime number.
Common Mistakes to Avoid When Determining if 389 is a Prime Number.
FAQs for “Is 389 a Prime Number”?
1.What is the first number of the smallest set of 4 consecutive prime numbers?
2.What is the first prime number that comes after 389?
3.What is the cube root of 389?
4. What are common number factors?
5.What is the concept of prime number?
Important Glossaries for "Is 389 a Prime Number"
- Divisibility: The property of a number which can divide another number completely without leaving any remainder.
- Chart of Prime Numbers: The numbers which has only two factors are listed together.
- Composite Number: A number that has more than two positive divisors which are opposite to prime numbers which has only two factors.
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Hiralee Lalitkumar Makwana
About the Author
Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.
Fun Fact
: She loves to read number jokes and games.
