PicoLisp Blog

PicoLisp Blog

Follow
homeGetting StartedWeb AppsDatabaseMobile AppsPilogPicoLisp Explored
Series

The Euler Project in PicoLisp

In this loose series I plan to solve the math riddles from the Euler project one by one.

Articles in this series

Riddle 10: Summation of primes

Feb 18, 20221 min read

The Task The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below two million. This task is so easy that it is...

Riddle 10: Summation of primes

Riddle 9: Special Pythagorean triplet

Feb 15, 20223 min read

The Task A Pythagorean triplet is a set of three natural numbers, a < b < c, for which a^2 + b^2 = c^2. For example, 32 + 42 = 9 + 16 = 25 =...

Riddle 9: Special Pythagorean triplet

Riddle 8: Largest Product in A Series

Feb 11, 20223 min read

The Task The four adjacent digits in the 1000-digit number that have the greatest product are 9 × 9 × 8 × 9 =...

Riddle 8: Largest Product in A Series

Riddle 7: 10001st Prime

Feb 8, 20228 min read

The Task 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 10.001st prime...

Riddle 7: 10001st Prime

Riddle 6: Sum Square Difference

Feb 1, 20224 min read

The Task The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + 3^3 + ... + 10^2 = 385 The square of the sum of the first ten...

Riddle 6: Sum Square Difference

Riddle 5: Smallest Multiple

Jan 28, 20226 min read

The Task 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 positive...

Riddle 5: Smallest Multiple