Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 380: | \[{9^{380}-1\over8}\] | 22 × 52 × 112 × 41 × 61 × 191 × 761 × 1181 × 1597 × 2851 × 31769 × 39901 × 101917 × 363889 × 3302353 × 5301533 × 42521761 × 25480398173<11> × 29574984661<11> × 70578185345621<14> × 4975481820118441<16> × 25349956307509384561<20> × 278733912072436804273<21> × 78958087694609321439660131899631<32> × 1605850768243931752986453521337428048981<40> × 260765536115629323425655118515650224063090031690000455179214158734137390010187808349835855197457822203360361407695549941581905862533826881<138> |