616
This number is a composite.
The product of the first six hundred sixteen primes (from 2
to 4547 inclusive) plus one is prime. The resulting prime
consists of 1939 digits and is the twelfth prime output in
the sequence referred to in earlier iterations of
MATHEMATICA as Euclid [616]. The sequence consisting of the
product of the first n primes plus one is used in Euclid's
classic proof of the infinitude of primes. [Schiffman]
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