general problem solving ?s

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general problem solving ?s

by sethn23 » Wed Oct 01, 2008 6:04 pm
For every positive integer n, H(n) is a product of all even integers 2 to n inclusive. If p is the smallest prime factor of h(100) + 1 then p is ?
between 2 and 10
between 10 and 20
between 20 and 30
between 30 and 40
greater than 40
Source: — Problem Solving |

Junior | Next Rank: 30 Posts
Posts: 14
Joined: Wed Oct 01, 2008 5:59 pm

by sethn23 » Wed Oct 01, 2008 7:23 pm
found the answer on an old forum thanks.