If this is hex seed, then the space is decimal 1929795357851620611194880. Which one-threaded will take 117815298184130778 hours to search in.
Not always..
GPU: GPU #0 NVIDIA GeForce GTX 1660 SUPER (22x64 cores) Grid(88x128) (141.0 MB used)
SolveKeyGPU Thread GPU#0: creating kangaroos...
SolveKeyGPU Thread GPU#0: 2^20.46 kangaroos [10.2s]
[706.03 MK/s][GPU 706.03 MK/s][Count 2^36.71][Dead 0][03:03 (Avg 01:25:08)][10658.1/13328.8MB]
2024-11-01 13:55:48.791: Private key: 0x659756abf6c17ca70e829a43c7752f1417002440be6ddd93e441f8d4b4a85653b20b4cdcc5c748207a0daa16191d07a425d8080c276f9412472e0429e61bc355
2024-11-01 13:55:48.791: Private key 256bit: 0x376c7486601275fbac571546409b241cfd4093e2def806ba427927139ec9b8df
Success!!
Searching time: 251 s