Go to Marker Number 15 ⌃5
Move the playhead to the start of marker 15. The ‘Go to Marker n’ commands are mapped to the keypad on an extended keyboard.
I am sure that I can find a better use for the numeric keypad keys 😉
Navigate using markers in Logic Pro — Apple Support
You can navigate through your project using markers. This is useful when you want to quickly jump to, and edit, regions or events at a specific position in your project, for example.