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Last updated on July 2nd, 2025

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Prime Numbers 500 to 1000

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Prime numbers are natural numbers greater than 1 that have no divisors other than 1 and the number itself. They play a crucial role in various fields, including cryptography, computer algorithms, and secure communications. In this topic, we will explore the prime numbers between 500 and 1000.

Prime Numbers 500 to 1000 for Australian Students
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Prime Numbers 500 to 1000

A prime number is a natural number with no positive factors other than 1 and the number itself. Here are some basic properties of prime numbers:

 

  • Every number greater than 1 is divisible by at least one prime number.

 

  • Two prime numbers are always relatively prime to each other.

 

  • Every even positive integer greater than 2 can be expressed as the sum of two prime numbers.

 

  • Every composite number can be uniquely factored into prime factors.

 

  • Except for 2, all prime numbers are odd; 2 is the only even prime number.
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Prime Numbers 500 to 1000 Chart

A prime number chart displays prime numbers in increasing order. Such a chart helps identify prime numbers within a specific range. It is particularly useful in various fields such as the foundation of mathematics and the fundamental theorem of arithmetic.

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List of All Prime Numbers 500 to 1000

The list of all prime numbers from 500 to 1000 provides a comprehensive view of numbers in this range that can only be divided by 1 and the number itself.

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Prime Numbers - Odd Numbers

Prime numbers are special kinds of odd numbers that are only divisible by 1 and the number itself. The only even prime number is 2; all other prime numbers are odd.

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How to Identify Prime Numbers 500 to 1000

Prime numbers are a set of natural numbers that can only be divided by 1 and the number itself. Here are two important ways to determine whether a number is prime:

 

By Divisibility Method:

 

To find whether a number is prime, we use the divisibility method. If a number is divisible by any prime number less than or equal to its square root, it is not prime.

 

For example: To check whether 593 is a prime number,

 

Step 1: 593 ÷ 2 = 296.5 (remainder ≠ 0)

 

Step 2: 593 ÷ 3 = 197.66 (remainder ≠ 0)

 

Step 3: 593 ÷ 5 = 118.6 (remainder ≠ 0)

 

Since no divisors are found, 593 is a prime number.

 

By Prime Factorization Method:

 

This method involves breaking down a composite number into the product of its prime factors. It helps identify prime numbers by ensuring they cannot be factored further.

 

For example: The prime factorization of 1000: Break it down into the smallest prime numbers until it can’t divide anymore.

 

Step 1: 1000 ÷ 2 = 500

 

Step 2: 500 ÷ 2 = 250

 

Step 3: 250 ÷ 2 = 125

 

Step 4: 125 ÷ 5 = 25

 

Step 5: 25 ÷ 5 = 5

 

Step 6: 5 ÷ 5 = 1 (since 5 is a prime number, and dividing by 5 gives 1)

 

Therefore, the prime factorization of 1000 is 23 × 53.

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Rules for Identifying Prime Numbers 500 to 1000

Rule 1: Divisibility Check: Prime numbers are natural numbers greater than 1 that have no divisors other than 1 and the number itself. In the divisibility check rule, we check whether the number is divisible by any prime number up to its square root.

 

Rule 2: Prime Factorization: This method involves breaking down numbers into their prime factors, expressing them as the product of prime numbers.

 

Rule 3: Sieve of Eratosthenes Method: This ancient algorithm finds all prime numbers up to a given limit. List all numbers from 500 to 1000, then start with the first prime number in this range and mark all multiples of it as non-prime.

 

Repeat the process for the next unmarked number and continue until you reach the square root of 1000, approximately 31.62. The remaining unmarked numbers are the prime numbers. 

 

Tips and Tricks for Prime Numbers 500 to 1000

 

  • Use common shortcuts to memorize prime numbers: 503, 509, 521, 523, 541, etc.

 

  • Practice using the Sieve of Eratosthenes method efficiently. Numbers like 502, 504, 506, 508, 510 are not prime.

 

  • Knowing the common multiples of numbers helps in avoiding unnecessary checks.
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Common Mistakes and How to Avoid Them in Prime Numbers 500 to 1000

While working with the prime numbers 500 to 1000, individuals might encounter some errors or difficulties. Here are some solutions to common problems:

Mistake 1

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Confusing composite numbers with prime numbers.

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A prime number has exactly 2 divisors: 1 and the number itself. Remember that composite numbers have more than 2 divisors. For example, 600 is not a prime number because it has more than 2 divisors.

Mistake 2

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Including 1 as a prime number.

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Always remember that primes are greater than 1. 1 is not a prime number because it has only one divisor: itself.

Mistake 3

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Not efficiently using the prime checking method.

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Practice using the Sieve of Eratosthenes efficiently, or check divisibility by primes up to the square root of the number. For example, while checking the divisibility of 841, stop once you reach √841.

Mistake 4

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Not realizing about the primes in the larger prime range.

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Continue practicing identifying larger primes, as it helps to sharpen skills. The Sieve of Eratosthenes method is helpful for solving this.

Mistake 5

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Forgetting that multiples of any prime number are not prime.

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Erase all the multiples of known prime numbers as soon as possible. For example, when checking numbers up to 1000, you don't have to check numbers divisible by 2, 3, 5, or 7 because they are not prime.

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Prime Numbers Examples

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Problem 1

Is 991 a prime number?

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Yes, 991 is a prime number.

Explanation

The square root of 991 is √991 ≈ 31.5.

 

We check divisibility by primes less than 31.5 (2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31).

 

991 ÷ 2 = 495.5

 

991 ÷ 3 = 330.33

 

991 ÷ 5 = 198.2

 

991 ÷ 7 = 141.57

 

991 ÷ 11 = 90.09

 

Since 991 is not divisible by any of these numbers, 991 is a prime number.

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Problem 2

Annie is trying to open a digital locker with a 3-digit number. The code is the largest prime number under 1000. Which prime number will open the lock?

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997 is the 3-digit code of the digital locker and the largest prime number under 1000.

Explanation

Prime numbers are natural numbers greater than 1 that have no divisors other than 1 and the number itself. The prime numbers under 1000 are 2, 3, 5, 7, 11, 13, and so on. 997 is the largest prime number under 1000, making it the code to open the digital locker.

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Problem 3

A teacher challenges her students: Find the prime numbers that are closest to 600 but less than 600.

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599 is the prime number closest to 600.

Explanation

599 is a prime number because it is only divisible by 1 and the number itself. The next prime number after 599 is 601, which is greater than 600. Therefore, the prime number closest to 600 and less than 600 is 599.

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FAQs on Prime Numbers 500 to 1000

1.Give some examples of prime numbers.

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2.Explain prime numbers in math.

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3.Is 2 the smallest prime number?

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4.Which is the largest prime number?

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5.Which is the largest prime number between 500 and 1000?

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6.How can children in Australia use numbers in everyday life to understand Prime Numbers 500 to 1000?

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7.What are some fun ways kids in Australia can practice Prime Numbers 500 to 1000 with numbers?

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8.What role do numbers and Prime Numbers 500 to 1000 play in helping children in Australia develop problem-solving skills?

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9.How can families in Australia create number-rich environments to improve Prime Numbers 500 to 1000 skills?

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Important Glossaries for Prime Numbers 500 to 1000

  • Prime numbers: Natural numbers greater than 1 that are divisible only by 1 and themselves. Examples: 503, 509, 521, 541.

 

  • Odd numbers: Numbers not divisible by 2. All prime numbers except 2 are odd. Examples: 3, 5, 7, 9.

 

  • Composite numbers: Non-prime numbers with more than 2 factors. Example: 12 is divisible by 1, 2, 3, 4, 6, and 12.

 

  • Divisibility: The ability of one number to be evenly divided by another. A prime has divisibility only by 1 and itself.

 

  • Sieve of Eratosthenes: An ancient algorithm used to find all prime numbers up to a given limit by systematically marking the multiples of each prime number starting from 2.
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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.

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Fun Fact

: She loves to read number jokes and games.

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