Project Euler - Problem 11
Posted on Wed, 21/12/2011 - 10:21
Question
In the 20 x 20 grid below, four numbers along a diagonal line have been marked in red (bold).
Project Euler - Problem 9
Posted on Tue, 20/12/2011 - 15:17
Question
A Pythagorean triplet is a set of three natural numbers, a a² + b² = c²
For example, 3² + 4² = 9 + 16 = 25 = 5².
There exists exactly one Pythagorean triplet for which a + b + c = 1000.
Find the product abc.
Project Euler - Problem 8
Posted on Tue, 20/12/2011 - 14:06
Question
Find the greatest product of five consecutive digits in the 1000-digit number.
Project Euler - Problem 4
Posted on Wed, 14/12/2011 - 14:20
Question
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.