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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) The smallest palindromic prime formed from the reflected concatenation of two semiprimes. [Silva] Smallest palindromic prime such that sod(P)!^sod(P)+P = (8)!^8 + 10601 is also prime. [Sariyar]
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