Archive for July, 2010

Why π is irrational (part 4 of 5)

20 July 2010

In this post I show that the integral is an integer.

Massive prime numbers

19 July 2010

I participate in PrimeGrid, a distributed computing project to find large prime numbers of various types. It seems that my computer just found such a massive prime–a Proth prime, to be precise. Proth primes have the form

where k and n are integers. Mine was

which, when written out in full base-10 notation, is 157897 digits and can be found beyond the “read the rest of this entry” tag (warning: this particular entry will load slowly in its entirety).

I’m back!

17 July 2010

After three weeks of chemistry, humidity, and general nerdiness at CTY Lancaster, I must say it’s great to be home!