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115 (another Prime Pages' Curiosity) |
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115 (or 5! - 5) is the smallest composite number of the form p! - p, where p is prime. [Bakker] 115 = 23 x (2 + 3). [Sladcik]
The smallest integer n, in which pi(n) occurs at the nth decimal place of The smallest three-digit integer, abc, such that (abc)/(a*b*c) is also prime. [Patterson]
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