174

This number is a composite.

+ 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.

(There are 2 curios for this number that have not yet been approved by an editor.)

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