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

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The smallest prime p that divides the reversal of the next prime after p. The next three pairs of consecutive primes of this form and with this property are: 233 239; 2333 2339; 23333 23339. Are there primes of other forms with this property? [Silva]


  Submitted: 2009-11-29 22:46:34;   Last Modified: 2009-12-01 18:07:44.

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