I am an even number composed of two identical digits. If you divide me by 4, the result is a prime number. What number am I?
44
The two-digit even numbers with identical digits are 22, 44, 66, 88. 22/4 = 5.5. 44/4 = 11 (prime). 66/4 = 16.5. 88/4 = 22.
About this riddle
Math riddles hide a calculation inside a short story. Pull out the numbers, work out what is being asked, and watch for a trick such as a unit change.
Difficulty: Medium. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
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