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2013 AMC 10A Question 21

AMC10 · 2013 AMC 10A

Question 21

A group of $12$ pirates agree to divide a treasure chest of gold coins among themselves as follows. The $k^{\text{th}}$ pirate to take a share takes $\dfrac{k}{12}$ of the coins that remain in the chest. The number of coins initially in the chest is the smallest number for which this arrangement will allow each pirate to receive a positive whole number of coins. How many coins does the $12^{\text{th}}$ pirate receive?
  1. $720$
  2. $1296$
  3. $1728$
  4. $1925$
  5. $3850$