The book is now available! 231
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The average number of distinct prime divisors for all n less than a googolplex is only about 231. [Wells]

+ The smallest counterexample to Murthy's Conjecture occurs at n = 231.

+ 231 is the smallest number such that it and its previous number are both the product of three distinct primes (230 = 2*5*23 and 231 = 3*7*11).  [Pankajjyoti]

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