BrightChamps Logo
Hamburger Menu Icon for BrightChamps Website Navigation
Login
Creative Math Ideas Image
Live Math Learners Count Icon168 Learners

Last updated on May 26th, 2025

Math Whiteboard Illustration

Is 289 a prime number?

Professor Greenline Explaining Math Concepts

Do you get confused while checking if a number is prime? Determining a prime number is easy. They are used in encryptions. Here, this article checks if 289 is a prime.

Is 289 a prime number? for Australian Students
Professor Greenline from BrightChamps

Why is 289 not a prime number?

Since 289 has four factors, it is not a prime number. The basic methods used to check if a number is prime are the counting divisors method, divisibility method, prime number chart, and prime factorization.

 

is 289 a prime number

Professor Greenline from BrightChamps

Using the Counting Divisors Method

This method will tell the total number of divisors a number has. 


The divisors of 289 = 1, 17, 289


Therefore, 289 is not a prime number.

Professor Greenline from BrightChamps

Using the Divisibility Test Method

If a number has more than two factors, it is composite. Here, the factors of 289 are 1, 7, 23, and 289.
 

Professor Greenline from BrightChamps

Prime Number Chart Method

This method will check if a number is prime or not with the help of a prime number chart. Only if the number is seen in the chart, then it's a prime.
 

Professor Greenline from BrightChamps

Prime Factorization Method

This method expresses the product of prime factors in its exponential form.


The prime factorization of 289 is → 1 × 172


Hence, the prime factor of 289 is 17 
 

Max Pointing Out Common Math Mistakes

Common Mistakes to Avoid When Determining if 289 is a Prime Number

While determining whether a number is prime or not, you can get confused. Here, we will discuss the mistakes that can happen and the solutions to tackle them

Mistake 1

Red Cross Icon Indicating Mistakes to Avoid in This Math Topic

Writing odd numbers as prime
 

Green Checkmark Icon Indicating Correct Solutions in This Math Topic

All odd numbers are not prime. For example, the number 27 is odd but not prime.

Ray Thinking Deeply About Math Problems

FAQs for ‘Is 289 is a Prime Number’

1.What is 289 divisible by?

Math FAQ Answers Dropdown Arrow

2.What is the prime factorization of 289?

Math FAQ Answers Dropdown Arrow

3.What are the multiples of 289?

Math FAQ Answers Dropdown Arrow

4.The perfect square before the prime number 283 is?

Math FAQ Answers Dropdown Arrow

5.Does 289 come in 17 tables?

Math FAQ Answers Dropdown Arrow

6.How can children in Australia use numbers in everyday life to understand Is 289 a prime number??

Math FAQ Answers Dropdown Arrow

7.What are some fun ways kids in Australia can practice Is 289 a prime number? with numbers?

Math FAQ Answers Dropdown Arrow

8.What role do numbers and Is 289 a prime number? play in helping children in Australia develop problem-solving skills?

Math FAQ Answers Dropdown Arrow

9.How can families in Australia create number-rich environments to improve Is 289 a prime number? skills?

Math FAQ Answers Dropdown Arrow
Professor Greenline from BrightChamps

Important Glossaries for "Is 289 a Prime Number"

  • Prime Number: A number with two positive numbers as its only factors

 

  • Composite Number: A number with more than two positive numbers as factors

 

  • Prime Factorization: Method of expressing the product of prime factors in exponential form.
     
Professor Greenline from BrightChamps

About BrightChamps in Australia

At BrightChamps, we know numbers are more than just digits—it’s a way to open doors to countless opportunities! Our mission is to help kids all across Australia grasp important math skills, like today’s focus on the Is 289 a prime number?with a special focus on understanding prime numbers—in a way that’s lively, enjoyable, and easy to follow. Whether your child is figuring out how fast a roller coaster speeds through Luna Park Sydney, keeping track of scores at a local cricket match, or managing their allowance to buy the latest gadgets, mastering numbers gives them the confidence they need for everyday challenges. Our interactive lessons make learning both simple and fun. Because kids in Australia learn in many different ways, we tailor our approach to fit each child’s unique style. From the vibrant streets of Sydney to the stunning beaches of the Gold Coast, BrightChamps brings math to life, making it relatable and exciting throughout Australia. Let’s make prime numbers a fun part of every child’s math journey!
Math Teacher Background Image
Math Teacher Image

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.

Math Teacher Fun Facts Image
Max, the Girl Character from BrightChamps

Fun Fact

: She loves to read number jokes and games.

INDONESIA - Axa Tower 45th floor, JL prof. Dr Satrio Kav. 18, Kel. Karet Kuningan, Kec. Setiabudi, Kota Adm. Jakarta Selatan, Prov. DKI Jakarta
INDIA - H.No. 8-2-699/1, SyNo. 346, Rd No. 12, Banjara Hills, Hyderabad, Telangana - 500034
SINGAPORE - 60 Paya Lebar Road #05-16, Paya Lebar Square, Singapore (409051)
USA - 251, Little Falls Drive, Wilmington, Delaware 19808
VIETNAM (Office 1) - Hung Vuong Building, 670 Ba Thang Hai, ward 14, district 10, Ho Chi Minh City
VIETNAM (Office 2) - 143 Nguyễn Thị Thập, Khu đô thị Him Lam, Quận 7, Thành phố Hồ Chí Minh 700000, Vietnam
Dubai - BrightChamps, 8W building 5th Floor, DAFZ, Dubai, United Arab Emirates
UK - Ground floor, Redwood House, Brotherswood Court, Almondsbury Business Park, Bristol, BS32 4QW, United Kingdom