Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 355: | \[{16^{355}-1\over15}\] | 5 × 11 × 31 × 41 × 569 × 228479 × 5039581 × 48544121 × 56409643 × 148587949 × 212885833 × 4999465853<10> × 5585522857<10> × 121932688511<12> × 472287102421<12> × 13952598148481<14> × 15524635883992211<17> × 65615762185579629181<20> × 11553850239931219598440795528266328684400585201070144957674712781<65> × 182013944029916253984850599290949064721089587458906809918552581277361<69> × 8223125624363292839815514592697905768406610797334099385507174111379292321<73> × 1233543116965757249960186045978355098736794559825696610738581566785845486218161<79> |