|View static image|
|Number of cells||130|
|Discovered by||Dave Greene|
|Year of discovery||2018|
42100M is a methuselah with a lifespan of 42100 generations, discovered by Dave Greene on October 31, 2018, using Adam P. Goucher's apgsearch and Catagolue tools. It is currently the longest-lasting known methuselah to fit within a 16×16 bounding box, surpassing the 20×20 soup Wilma which was discovered by Rob Liston just three days earlier.
- Ian07. Re: Soup search results (discussion thread) at the ConwayLife.com forums