Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 480: | \[{16^{480}-1\over15}\] | 3 × 5 × 7 × 11 × 13 × 17 × 31 × 41 × 61 × 97 × 151 × 193 × 241 × 257 × 331 × 641 × 673 × 769 × 1321 × 23041 × 26881 × 49921 × 61681 × 65537 × 274177 × 286721 × 414721 × 3602561 × 4855681 × 6700417 × 22253377 × 394783681 × 446960641 × 610548481 × 4278255361 × 4562284561<10> × 46908728641<11> × 96645260801<11> × 137603804161<12> × 44479210368001<14> × 67280421310721<14> × 3442404051886487041<19> × 18446744069414584321<20> × 94455684953484563055991838558081<32> × 2715862005931406599419575483412481<34> × 14768784307009061644318236958041601<35> × 442499826945303593556473164314770689<36> × 10559241583796365631935764162530238561452234881<47> × 268580515813837805739085028795525991427028497595809336993951780160116207212846825227601745116689745766453440066138207748895361400251929365141663530241<150> |