Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 780: | \[{10^{780}-1\over9}\] | 3 × 7 × 11 × 132 × 31 × 37 × 41 × 53 × 61 × 79 × 101 × 131 × 157 × 211 × 241 × 271 × 521 × 859 × 1951 × 2161 × 3121 × 3541 × 6397 × 9091 × 9901 × 15601 × 19501 × 27961 × 216451 × 925081 × 2311921 × 2906161 × 4188901 × 39526741 × 265371653 × 1058313049 × 35081393881<11> × 162503518711<12> × 388847808493<12> × 53397071018461<14> × 360924572424391<15> × 201721695849323521<18> × 1031498834064949381<19> × 9160020509281917601<19> × 12763852652999774041<20> × 1900381976777332243781<22> × 12119730504567977254081<23> × 900900900900990990990991<24> × 2685647186330706081032050321<28> × 2737820036624672031089487008281<31> × 6060517860310398033985611921721<31> × 5538396997364024056286510640780600481<37> × 8396862596258693901610602298557167100076327481<46> × 722385356046094043901164020994302748085851637026401<51> × 44933275139025237741442164195375614371497219389368548160257661491391<68> × 14162999157973809346330858715610116834650947071716927166725815643512203761<74> × 63054129911571801941639263405768461425999152026392552531582926655481271974023945336611<86> |