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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) The only prime less than a googol formed by concatenating in descending order the first n multidigit palindromic primes (case n=2). [Capelle] The smallest 5digit prime formed from two primes with the same sum of digits. [Loungrides]
(There are 4 curios for this number that have not yet been approved by an editor.)
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