28999134198739

This number is a prime.

                                                             2899 9134198739

+ The start of 12 consecutive primes (28999134198739, 28999134198767, 28999134198821, 28999134198833, 28999134198851, 28999134198857, 28999134198877, 28999134198889, 28999134198907, 28999134198961, 28999134198989, 28999134199039) such that the sum of all of them minus one is prime. (Found by Resta) [Rivera]

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