Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 421: | \[{16^{421}-1\over15}\] | 4211 × 31142213 × 3457679737 × 5442059869<10> × 614002928307599<15> × 32983076027612611<17> × 13009023869226815161<20> × 164309144186724605822604107161663474799516846681<48> × 61215612744362229891517172886374051822671685076055638391932761<62> × 76492727843197005865284160090907981705191034057044790706811662471390236362642040538238425917141789<98> × 12996623037294014057591212988182028173802393910829199191218499846140826287303581583005154159743906016002531<107> × 8819779591697258388298117725624832271141577326602771028307143781815455970700534027206522451123308835472505327249<112> |