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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) The smallest palindromic circulardigit prime. [De Geest] The first centered triangular number (i.e., of the form the form of (3n^{2}  3n + 2)/2) that is a palindromic prime. [Trotter] The smallest prime that remains prime when inserting one, two, three, four, or five zeros between each digit (908060809, 9008006008009, etc.). [Vrba]
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