73716...11917 (84-digits)

This number is a prime.

                                                             7371 6968676564
6362615958 5755535251 5049474645 4443413938 3735343332 3129272625 2322211917

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

The largest prime formed from reverse concatenation of double-digit deficient numbers. [Gupta]