This number is a composite.

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The sum of five consecutive full period primes is the semiprime 2489 whose prime factors are also full period primes. (Proof: 487+491+499+503+509=2489=19*131) [Bowser]

Submitted: 2019-05-20 15:04:45;   Last Modified: 2019-05-20 16:21:05.
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