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title: Prime Number Generator
---
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## Prime Number Generator
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A prime number generator is used to generate prime numbers. Prime number generating algorithms are used extensively in computer science for various applications, examples: [Hashing ](https://en.wikipedia.org/wiki/Hash_table ), [Public-key Cryptography ](https://en.wikipedia.org/wiki/Public-key_cryptography ), etc.
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**Here are few online prime numbers generators**
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* [Wolfram Alpha ](https://www.wolframalpha.com/examples/mathematics/number-theory/prime-numbers/ )
* [Browserling's prime number generator ](https://www.browserling.com/tools/prime-numbers )
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**Link to one of the most efficient algorithms to generate prime numbers less than a number "n"**
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* [Sieve of Eratosthenes algo to generate prime numbers ](https://www.geeksforgeeks.org/sieve-of-eratosthenes/ )
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#### More Information:
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* [Prime Number Chart ](https://guide.freecodecamp.org/tools/prime-number-chart )
* [Wikibooks: Prime Number Generating Algorithms ](https://en.wikibooks.org/wiki/Some_Basic_and_Inefficient_Prime_Number_Generating_Algorithms )
