19973...37991 (25-digits)

                                                 19973 9240197879 1042937991

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

+ Arrange this palindromic prime into a 5-by-5 array and each row, column, and main diagonal will form a reversible prime. [Blanchette]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell