Welcome to the 47th edition of the Math Teachers at Play Blog Carnival!

http://bit.ly/MTAP47

The Number Dictionary reveals two particularly interesting facts about 47.

- 47 is a prime and a Gaussian prime.
- 47 is the difference between two squares.

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I don’t think I’ve appreciated 47 nearly enough before this carnival. But we should move on since there are a lot of neat entries this month…

Go read MTaP 47 at Math Hombre –>

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