Why are there numbers on a golf ball?

Answer 1

The number on Golf balls is for identification purposes, if two balls are in the rough or fairway, each player knows which one is theirs. However, balls are mainly numbered 1-4 so additional personal markings are needed.

Answer 2

Numbers on a golf ball are there to help players identify their golf ball. As many players play the same brand the number will let them know if the ball is theirs or not.

Answer 3

So you know which one is yours.

Also so it shows you different sizes because some people prefer to use larger golf balls.

Answer 4

just random colors, no reason for it.