The book is now available! 11266...40001 (44-digits)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                            1126 6013476217 9220067183 8025115351 0000640001
+ The product of the first 8 square triangular numbers plus 1 is prime. Note that the products of the first 1, 2, 3 and 5 such numbers plus 1 are primes too. Do you see the Fibonacci sequence? [Petrov]

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