80808...80959 (353-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

                                                                         808
0808080808 0808080808 0808080808 0808080808 0808080808 0808080808 0808080808
0808080808 0808080808 0808080808 0808080808 0808080808 0808080808 0808080808
0808080808 0808080808 0808080808 0808080808 0808080808 0808080808 0808080808
0808080808 0808080808 0808080808 0808080808 0808080808 0808080808 0808080808
0808080808 0808080808 0808080808 0808080808 0808080808 0808080808 0808080959

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

+ The first prime found in the sequence 959, 80959, 8080959, 808080959, 80808080959, 8080808080959, 808080808080959, 80808080808080959, 8080808080808080959, etc. Curiously, the sod(P) is also prime. [Bajpai]

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell