The book is now available! 174
(another Prime Pages' Curiosity)
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+ The number of twin prime pairs among the first thousand primes. [Russ]

+ 174 = 72 + 53 (using the first four primes). [Trotter]

+ Landon Noll and Laura Nickel proved that M21701 was prime in a CDC Cyber174.

+ 174 is the only three-digit number n such that prime(n)^n - n! is prime. [Firoozbakht]

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