23456...67677 (27-digits)

This number is a prime.

                                               2345672 3456734567 4567567677

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

+ The prime formed by consecutive portions of 234567, having two 2, three 3, four 4, five 5, six 6 and seven 7. A sort of crescendo.... [Somer]

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