The book is now available! 7673
(another Prime Pages' Curiosity)
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+ The smallest prime partial sum of pseudoprimes. Fermat pseudoprimes to base 2 are often simply called pseudoprimes, or Sarrus numbers: 341 + 561 + 645 + 1105 + 1387 + 1729 + 1905 = 7673 is prime. [Post]




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