The book is now available! 10101...33221 (65-digits)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

     10101 0101010101 0101099999 9999888888 8877777776 6666655555 4444333221
+ The reversal of 10101010101010101010999999999888888887777777666666555554444333221 is prime. [Firoozbakht]

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