43 lines
		
	
	
		
			703 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			43 lines
		
	
	
		
			703 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
|   | --- | |||
|  | id: 5900f4da1000cf542c50ffec | |||
|  | title: 'Problem 365: A huge binomial coefficient' | |||
|  | challengeType: 5 | |||
|  | forumTopicId: 302026 | |||
|  | dashedName: problem-365-a-huge-binomial-coefficient | |||
|  | --- | |||
|  | 
 | |||
|  | # --description--
 | |||
|  | 
 | |||
|  | The binomial coefficient C(1018,109) is a number with more than 9 billion (9×109) digits. | |||
|  | 
 | |||
|  | Let M(n,k,m) denote the binomial coefficient C(n,k) modulo m. | |||
|  | 
 | |||
|  | Calculate ∑M(1018,109,p*q*r) for 1000<p<q<r<5000 and p,q,r prime. | |||
|  | 
 | |||
|  | # --hints--
 | |||
|  | 
 | |||
|  | `euler365()` should return 162619462356610300. | |||
|  | 
 | |||
|  | ```js | |||
|  | assert.strictEqual(euler365(), 162619462356610300); | |||
|  | ``` | |||
|  | 
 | |||
|  | # --seed--
 | |||
|  | 
 | |||
|  | ## --seed-contents--
 | |||
|  | 
 | |||
|  | ```js | |||
|  | function euler365() { | |||
|  | 
 | |||
|  |   return true; | |||
|  | } | |||
|  | 
 | |||
|  | euler365(); | |||
|  | ``` | |||
|  | 
 | |||
|  | # --solutions--
 | |||
|  | 
 | |||
|  | ```js | |||
|  | // solution required | |||
|  | ``` |