Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 279: | \[{10^{279}-1\over9}\] | 32 × 37 × 2791 × 333667 × 6943319 × 18989357081041<14> × 57336415063790604359<20> × 1986554577939642346080445591065987383029299397551517<52> × 900900900900900900900900900900990990990990990990990990990991<60> × 26482240558849649428997839294200400073279400076391385974040639424711652653275956393124643579489053184768787972981533<116> |