Has a FIBA World Cup game ever ended 104-60?
Exactly once. On February 21, 2019, Russia beat Bulgaria 104-60, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 104-60 in league history.
That makes 104-60 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 105-60 has happened never and 104-61 has happened never.