#math trivia #87 solution

This entry was posted on May 26, 2012, in Math Trivia and tagged , , , . Bookmark the permalink. Leave a comment

Burt Kaliski Jr. (@modulomathy)
3/27/12 7:44 AM
#math trivia for #March27: #87 is three times a prime. How many numbers of this form this year? (As usual, looking at numbers 1-366.)

This time it’s the number of primes up to 122: π(122) = 30.

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