247757
This number is a composite.
Just showing those entries submitted by 'Ludovicus': (Click here to show all)
247757 is the value of A in the Eulerian trinomial: x^2 + x
+ A that has the record of primes in the first 1000 values
of x (x = 0,1,2,...,999). It produces 657 primes. [Ludovicus]
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