Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 913: | \[2^{913}-1\] | 23 × 89 × 167 × 35913067887863<14> × 57912614113275649087721<23> × 150229752095582471166358140423251649194496147467096134816937630966207476089227936427945235886321<96> × 648291162536055420560950254692317755032634291032423646561200208377337130686490559931120880015470525955911617558175118625901787191654364873<138> |