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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) 1409 contains no prime digits. (1409) equals 223 and contains all prime digits. (223) equals 48 with no prime digits. Note that 1409 is the smallest prime with this property. [Punches] The smallest emirp whose digits are distinct square digits. Note that its reversal is the largest such emirp. [Loungrides] Your best chance of being born in a prime number year in the past millennium was to have been born in the 15th century (17 prime number years, from 1409 to 1499). [Tammet] The first emirp p such that 2p+1, 3p+2, and 4p+3 are prime. [Loungrides] The only known number whose 8^{th} power can be written as the sum of eight 8^{th} powers. [Gudipati] Each of the states North Dakota, Rhode Island, and Wyoming have just one area code for the state and they are 701, 401, 307, respectively, and each is a prime. Curiously, the sum of the three codes is an emirp (which happens to be a twin prime). [Green] The first multidigit prime (emirp) in the sequence of pentanacci numbers whose predermined terms are the odd digits. [Loungrides]
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