Largest prime factor of a composite number
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143 ? Prime factors are prime numbers that can be multiplied together to make a given number. One...
View ArticleClik here to view.
The 10001st prime number
Project Euler time again, I’ve come out of sequence – here’s problem 7: By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the 10001st prime...
View ArticleClik here to view.
Pythagorean triplet
Project Euler again, this time its problem 9. A Pythagorean triplet is a set of three natural numbers, abc, for which: For example: . There exists exactly one Pythagorean triplet for which a + b + c =...
View ArticleConics (or Khanics?)
I’ve been reading over the course material for MS221 (I quit this module’s last presentation for personal reasons). Khan Academy has a very good series of videos. Plus it gives you points (seriously...
View ArticleClik here to view.
Samsung NP-RV511-S02UK
I bought a new laptop the other week, a Samsung NP-RV511-S02UK. I have been using a Samsung NC10 dual booting Ubuntu and XP. An NC10 is a wondrous thing but when push comes to shove, a 1280×600...
View ArticleA quick thank you
I needed wxMaxima but the version in the repositories is a little older (one major revision). Compiling from source is straightforward but a recent discussion I had with students showed they shied away...
View Article
