Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 166: | \[{28^{166}-1\over27}\] | 29 × 167 × 39841 × 21661517621<11> × 54719250172702697<17> × 1305184467040286965673<22> × 65642602122533083476691308195970252142124523<44> × 5091332573154034332808866141011655364692094123998293376413<58> × 627923257871242036981504398830612987919668142351258398920486524603847407069077797<81> |