Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 637: | \[{10^{637}-1\over9}\] | 53 × 79 × 239 × 547 × 4649 × 14197 × 17837 × 36947 × 4262077 × 265371653 × 505885997 × 43442141653<11> × 316877365766624209<18> × 110742186470530054291318013<27> × 1976730144598190963568023014679333<34> × 27065794245811567921617452025874901886486047581673748883265217744336481987712128183614366527728908977724822042385038027444718109724740844994451511624759788345467832300322082983733456302270820364305626978915744174087205997780604649930982217771402278940076325547405743362113324491839662218854034157035751211194413619509026445990202181503234362735810755677050910764070154545700598154112647846915852437247949765880856632473543183479037540260372966682001245026930467967629306844940049259750453352098952283<500> |