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

+ The smallest prime-digit prime that can be represented as the sum of a prime and its reversal in two different ways, 25121+12152 and 26111+11162, is palindromic. [Bajpai]

+ The smallest palindromic prime-digit prime formed by inserting a digit in between a pair of double-digit emirps. Note that inserting the same digit in between their reversals another palindromic prime, 73237, is produced. [Loungrides]




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