Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 476: | \[{7^{476}-1\over6}\] | 24 × 52 × 29 × 113 × 137 × 239 × 911 × 953 × 2381 × 4733 × 12377 × 14009 × 34273 × 234193 × 377231 × 973897 × 20123377 × 59361349 × 2767631689 × 4734058001<10> × 13564461457<11> × 29078814248401<14> × 133088039373662309<18> × 305213588009240737<18> × 110453935177797989849<21> × 440779823883628367834893<24> × 1910207075448557917128553<25> × 201025591283178955994074282189<30> × 10947514021187304312714127746617<32> × 20233569048347336836863191403341<32> × 1381317198817260838835162339197107746494367305513933675319227735717976517843872357872225305899729<97> |