15591...75331 (79-digits)

This number is a prime.

                                                                   155914471
2891223110 9108710219 2988383972 7659613569 5474794573 8936727723 3211975331

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

The largest non-titanic prime formed from reverse concatenation of first n multidigit self primes (case n = 25). [Gupta]