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 Everyday Examples
 Prime Number:  A positive number that is divisible only by itself and the number one.
What is the player’s uniform number who is at bat? The scoreboard tells us this information in the upper left hand corner. Player number 23 is at bat. The number 23 is prime, because it only has two factors, 1 and the number itself. What other prime numbers do you see on the scoreboard?

Baseball Score Board

Photo copyrighted by Fair-Play Scoreboards, a Division of Trans-Lux Midwest Corporation.