13532385396179

This number is a composite.

                                                             1353 2385396179

The literal reading of the prime factorization of 13532385396179 is the first known counterexample to John Horton Conway's conjecture that all numbers eventually "climb" to a prime. It was found by physicist James Davis in 2017 and equals 13*53^2*3853*96179. [Hasler]