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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) 101111 is prime when read as a basetwo number. This is the last of only four primes in the first 10,000 that are both a prime when read as a basetwo and a baseten number. [Connolly] The smallest prime concatenated from the binary representations of a twin prime pair. 101 (base 2) = 5 (base 10) concatenated with 111 (base 2) = 7 (base 10), with (5,7) the second twin prime pair. [Post] The only sixdigit prime whose digits are neither prime nor composite. [Gudipati] The only sixdigit antiYarborough prime. [Loungrides]
(There is one curio for this number that has not yet been approved by an editor.) To link to this page use /curios/page.php?number_id=6761
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