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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The first prime (emirp) of form aba, where a, b are successive double-digit numbers. [Loungrides]

+ The first prime formed by inserting a composite number between two double-digit identical adjacent primes is an emirp. [Loungrides]

+ The smallest emirp such that the sum of any two of its digits is prime. [Loungrides]




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