It’s even used as a small example in the ProcessPoolExecutor API documentation. There are many clever algorithms for speeding-up this process, but fundamentally, testing numbers for primality is a manual and slow process.Īs such, it makes a good case for exploring how to make programs concurrent using the ProcessPoolExecutor in Python. Given a number, we cannot know if it is prime or not without testing whether it has any divisors besides itself and one. public and private keys), calculating checksums, configuring hash tables, random number generators and much more. Prime numbers are a fascinating area of math, but we also can make practical use of them, such as in cryptography (e.g. If a number is not prime, it means there are at least one other set of divisors for the number and we might refer to the number technically as “composite”. How to Check if Numbers are Prime One at a Time (slowly)Ī prime number is a positive integer that is only divisible by itself and one. How to Check if Multiple Numbers are Prime Concurrently.
How to Check if Numbers are Prime One at a Time (slowly).
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