Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 953: | \[{4^{953}-1\over3}\] | 1907 × 343081 × 425796183929<12> × 562070136841<12> × 40496650491842199555367<23> × 824501439026637805612489876810823<33> × 1624700279478894385598779655842584377<37> × 3802306738549441324432139091271828121<37> × 128064886830166671444802576129115872060027<42> × 210604142476977747806569755290105170291449495120790656457721<60> × 3388495837466721394368393204672181522815830368604993048084925840555281177<73> × 11658823406671259903148376558383270818131012258146392600439520994131344334162924536139<86> × 56146314991766082642632333152948275734351103326267414763284183801470126295704742512515549544592611827818875529505418937287624990432022105096260880089208311<155> |