Message 9261 from Yahoo.Groups.Primeform

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Di Maria Giovanni wrote: > what is the greatest reversal prime ? It appears your mail was delayed 13 days. The largest known palindromic primes are at http://primes.utm.edu/top20/page.php?id=53 The current record is 10^180004+248797842*10^89998+1 by Harvey Dubner. The largest known reversible primes (palindromes disallowed) are at http://www.primepuzzles.net/puzzles/puzz_020.htm The current record is 10^10006+941992101*10^4999+1 by me. -- Jens Kruse Andersen