Difference between revisions of "2017 AIME II Problems/Problem 8"

(Created page with "<math>\textbf{Problem 8}</math> Find the number of positive integers <math>n</math> less than <math>2017</math> such that <cmath>1+n+\frac{n^2}{2!}+\frac{n^3}{3!}+\frac{n^4}{4...")
 
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<math>\textbf{Problem 8}</math>
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==Problem==
 
Find the number of positive integers <math>n</math> less than <math>2017</math> such that <cmath>1+n+\frac{n^2}{2!}+\frac{n^3}{3!}+\frac{n^4}{4!}+\frac{n^5}{5!}+\frac{n^6}{6!}</cmath> is an integer.
 
Find the number of positive integers <math>n</math> less than <math>2017</math> such that <cmath>1+n+\frac{n^2}{2!}+\frac{n^3}{3!}+\frac{n^4}{4!}+\frac{n^5}{5!}+\frac{n^6}{6!}</cmath> is an integer.
  
<math>\textbf{Problem 8 Solution}</math>
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==Solution==
 
<math>\boxed{134}</math>
 
<math>\boxed{134}</math>
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=See Also=
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{{AIME box|year=2017|n=II|num-b=7|num-a=9}}
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{{MAA Notice}}

Revision as of 12:54, 23 March 2017

Problem

Find the number of positive integers $n$ less than $2017$ such that \[1+n+\frac{n^2}{2!}+\frac{n^3}{3!}+\frac{n^4}{4!}+\frac{n^5}{5!}+\frac{n^6}{6!}\] is an integer.

Solution

$\boxed{134}$

See Also

2017 AIME II (ProblemsAnswer KeyResources)
Preceded by
Problem 7
Followed by
Problem 9
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
All AIME Problems and Solutions

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