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Mathematics
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Dan Brumleve

Amateur mathematician, professional software engineer. Interested in all kinds of math, becoming a better mathematician, and helping others do the same.

email: jdb1729 (at) gmail.com

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  • Champaign, IL
  • facebook.com/jdb1729
  • Member for 8 years, 9 months
  • 9,233 profile views
  • Last seen Mar 22 at 23:51

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Top posts (413) All Questions Answers | Votes Newest

204 What is the importance of the Collatz conjecture? Aug 18 '10
195 Why can you turn clothing right-side-out? Aug 19 '10
69 Can't find the flaw in the reasoning for this proof by induction? Feb 19 '16
34 Is a prime factor of a number always less than its square root? Sep 10 '11
33 Uses of “Collatz induction”? Aug 9 '15
26 Which one result in mathematics has surprised you the most? Aug 21 '10
24 Is there a polynomial such that $F(p)$ is always divisible by a prime greater than $p$? Feb 5 '16
23 How to prove there are an infinite number of squarefree numbers of the form $2^p-1$? Jun 2 '12
23 What is the simplest way to prove that the logarithm of any prime is irrational? Jul 4 '12
22 How, if at all, does pure mathematics benefit from $2^{74207281}-1$ being prime? Jan 21 '16
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