Mathematics
Edward Porcella's user avatar
Edward Porcella's user avatar
Edward Porcella's user avatar
Edward Porcella
  • Member for 6 years, 4 months
  • Last seen this week
  • California, United States
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About

Retired teacher in liberal arts: classic texts in literature, philosophy, mathematics and natural science. Partial to primes, to integers generally, and to determining the best that elementary number theory can do toward proving Fermat's Last Theorem.

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Top posts
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All Questions Answers
Score Newest
answer
7
Proving “The sum of $n$ consecutive cubes is equal to the square of the sum of the first $n$ numbers.”
Jan 3, 2017
answer
7
Deductions about the prime factorization of odd integers $m>1$ satisfying $\frac{-3+\sqrt{1+8m}}{2}=\prod_{\substack{p\mid m\\p\text{ prime}}}(p-1)$
May 15, 2018
question
5
Proving that every product of $n$ consecutive integers contains its prime factors at least as many times as $n!$ does
Jan 8, 2017
answer
5
Five circles in a rectangle: can the circles move?
Jan 5
answer
5
Finding similar scalene triangles
Jul 26, 2018
answer
4
A bound for $\sqrt\frac{b+c-a}a+\sqrt\frac{c+a-b}b+\sqrt\frac{a+b-c}c$ in a triangle
Dec 3, 2019
answer
4
No rigorous proofs from 200 B.C to 1870?
Nov 15, 2018
answer
4
Is it always possible to cut disjoint 0.359 of two rectangles?
Sep 5, 2018
answer
4
project euler #577 confusion
Apr 2, 2017
answer
4
Find the missing angle in triangle
Jan 10, 2021
Top network posts
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5
If y forms Pythagorean triples with two different x, can some other y also form Pythagorean triples with those two x?

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