Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 116: | \[{19^{116}-1\over18}\] | 23 × 5 × 59 × 181 × 233 × 929 × 4409 × 106373 × 103114489 × 22716352849<11> × 7876159445929<13> × 297003021451861<15> × 670650007983077<15> × 8501529971051629<16> × 165049085515149863<18> × 5378630034626470638199677319443049<34> |