I am the only prime number that is also an even number. What number am I?
2
2 has only two factors (1 and itself), making it prime. Every larger even number is divisible by 2, so no other even number is prime.
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: Easy. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
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