freeCodeCamp/curriculum/challenges/chinese/08-coding-interview-prep/project-euler/problem-457-a-polynomial-mo...

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id challengeType title videoUrl localeTitle
5900f5361000cf542c510048 5 Problem 457: A polynomial modulo the square of a prime 问题457多项式以素数的平方为模

Description

设fn= n2 - 3n - 1.设p为素数。令Rp是最小的正整数n使得如果存在这样的整数n则fnmod p2 = 0否则Rp= 0。

对于不超过L的所有素数令SRL为ΣRp

找到SR107

Instructions

Tests

tests:
  - text: <code>euler457()</code>应该返回2647787126797397000。
    testString: 'assert.strictEqual(euler457(), 2647787126797397000, "<code>euler457()</code> should return 2647787126797397000.");'

Challenge Seed

function euler457() {
  // Good luck!
  return true;
}

euler457();

Solution

// solution required