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Problem 6 - What is the difference between the sum of the squares and the square of the sums?

// July 6th, 2009 // No Comments » // Project Euler

The sum of the squares of the first ten natural numbers is,
12 + 22 + … + 102 = 385
The square of the sum of the first ten natural numbers is,
(1 + 2 + … + 10)2 = 552 = 3025
Hence the difference between the sum of the squares of the first ten natural numbers [...]

Sharing Your iTunes Library Online With PulpTunes

// July 1st, 2009 // 4 Comments » // Apple, iTunes

So you want to share your iTunes library over the Internet. Many will say it can’t be done, and to those people I say, eat monkey balls!! Not only can you do it, not only is it super easy, it’s also FREE!! How you ask? I will tell you. All you need is this handy [...]

Problem 5 - What is the smallest number divisible by each of the numbers 1 to 20?

// June 29th, 2009 // No Comments » // Project Euler

2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder.
What is the smallest number that is evenly divisible by all of the numbers from 1 to 20?

Problem 4 - Find the largest palindrome made from the product of two 3-digit numbers

// June 22nd, 2009 // No Comments » // Project Euler

A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 99.
Find the largest palindrome made from the product of two 3-digit numbers.

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