---
title: "Discussion on \"Riddle 10: Summation of primes\" | Hashnode"
description: "Discussion on \"Riddle 10: Summation of primes\". The Task\n\nThe sum of the primes below 10 is 2 + 3 + 5 + 7 = 17.\nFind the sum of all the primes below two million.\n\n\nThis task is so easy that it is almost not worth its own post. The reason is because it is identical to Task 7, \"10001st prime\" except..."
url: "https://hashnode.com/posts/riddle-10-summation-of-primes/620f78e0d589905b4129222c"
---

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# [Riddle 10: Summation of primes](https://picolisp-explored.com/riddle-10-summation-of-primes?utm_source=hashnode&utm_medium=feed)

The Task The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below two million. This task is so easy that it is almost not worth its own post. The reason is because it is identical to Task 7, "10001st prime" except...

Feb 18, 2022 · 1 min read · picolisp-explored.com  
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[Mia Temma](https://hashnode.com/@miatemma)

@miatemma · Berlin, Germany

  
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