Prime Number Generator

Generate Prime Numbers Instantly.

← to Prime Number Calculator

Use this free tool to generate a list of prime numbers between any two numbers. Whether you're working on a math assignment, building algorithms, or exploring number theory, this tool gives you fast and accurate results.

Calculating primes...

What Is a Prime Number?

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. Examples include 2, 3, 5, 7, 11, and so on. Prime numbers are essential in cryptography, mathematics, and computer science.

Why Use a Prime Number Generator?

  • Generate prime numbers in any range instantly
  • Useful for competitive programming, education, and cryptography
  • 100% free, accurate, and easy to use

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How to Use the Prime Number Generator

This tool helps you generate a complete list of prime numbers between any two numbers you choose.

  • Enter a number in the “Start of range” field (minimum value: 2).
  • Enter a number in the “End of range” field that is greater than the start value.
  • Click the "Generate Prime Numbers" button.
  • The tool will display all prime numbers in the specified range.
  • Use the Export to PDF or Copy Results buttons to save your results.

Example: Setting the range from 1 to 100 will generate all prime numbers between those values, such as 2, 3, 5, 7, 11, ..., 97.

FAQs - Prime Number Generator

1. Can I generate primes between any two numbers?

Yes! Enter a start and end number, and this tool will generate all prime numbers within that range.

2. What’s the largest number I can use?

This tool supports large integers up to hundreds of thousands depending on your browser and logic. Performance may vary with very large ranges.

3. Are the generated results accurate?

Yes, the algorithm uses deterministic primality checks for 100% accurate results within the selected range.

4. What is this tool used for?

This generator is helpful for math problems, coding interviews, number theory research, and building cryptographic applications.

5. Where can I check if a number is prime?

Use our Prime Number Checker to test individual numbers quickly.

Explore More

Need all tools in one place? Visit the Prime Number Calculator Suite.