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			1.0 KiB
		
	
	
	
	
	
	
	
id, challengeType, title, videoUrl, localeTitle
| id | challengeType | title | videoUrl | localeTitle | 
|---|---|---|---|---|
| 5900f4ae1000cf542c50ffbf | 5 | Problem 320: Factorials divisible by a huge integer | Problema 320: Factoriales divisibles por un entero enorme | 
Description
Sea S (u) = ∑N (i) para 10 ≤ i ≤ u.
S (1000) = 614538266565663.
Encontrar S (1 000 000) mod 1018.
Instructions
Tests
tests:
  - text: <code>euler320()</code> debe devolver 278157919195482660.
    testString: 'assert.strictEqual(euler320(), 278157919195482660, "<code>euler320()</code> should return 278157919195482660.");'
Challenge Seed
function euler320() {
  // Good luck!
  return true;
}
euler320();
Solution
// solution required