Project Euler problem 974 (source code)

= Project Euler problem 974
{c}
{title2=December 2025}

https://projecteuler.net/problem=974

Numerical solution:
``
13313751171933973557517973175
``

Earliest known public leak:
* https://mastodon.social/@cirosantilli/115714472037975831
* https://x.com/cirosantilli/status/1999918979893334512

Programs:
* \a[euler/972.py]