Problem 250. Project Euler: Problem 10, Sum of Primes

Created by Doug Hull
Appears in Cody Problems in Japanese

Difficulty:Rate

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The sum of the primes less than or equal to 10 is 2 + 3 + 5 + 7 = 17.
Find the sum of all the primes less than or equal to the input, N.
Thank you Project Euler Problem 10

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3053 Solutions
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Last Solution submitted on Mar 18, 2025

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7 Comments

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Pritesh Shah on 2 Aug 2014

Use primes :: server encountered an error

David Verrelli on 15 Dec 2017

Pritesh Shah, you are correct. Well done for spotting this when many others didn't! It could be classified as a problem with the Test Suite, but given that this is tagged as "basic matlab" it may be more fitting to amend the problem statement.

Steve Eddins on 15 Oct 2020

As suggested by David Verrelli on 15-Dec-2017, I have edited the problem statement to reconcile it with the test suite. For everyone's reference, the original problem statement was:

The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17.
Find the sum of all the primes below the input, N.

But that problem statement didn't match one of the test suite cases.

Since I didn't change the test suite, the solutions did not need to be rescored.

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Project Euler I

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