20505...91751 (33-digits)

This number is a prime.

                                        205 0530622568 5761671193 4080691751

Just showing those entries submitted by 'van Willegen': (Click here to show all)

As of February 2005, this prime starts the largest known 14-tuplet:
205053062256857616711934080691751 + 0, 2, 6, 8, 12, 18, 20, 26, 30, 32, 36, 42, 48, 50. [van Willegen , Andersen]