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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) The larger of only two 4digit primes (emirps) p such that 10^100+p is prime. [Loungrides] The largest 4digit distinctdigit prime that yields another when each digit d is repeated d times, i.e., 9999999996666663331. [Loungrides] The largest 4digit prime whose the reversal is the square of an emirp, i.e., 1369=37^2. [Loungrides]
(There is one curio for this number that has not yet been approved by an editor.)
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