Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 410: | \[{31^{410}-1\over30}\] | 25 × 5 × 11 × 412 × 83 × 1231 × 17351 × 21821 × 5355011 × 87255650191<11> × 290640549491<12> × 146141009144381<15> × 7066933486329661873<19> × 42481797154433176612759<23> × 1253725733881088547496327299500911<34> × 132259604354473376342663326676479453<36> × 61865491146216383674809135780235913078137<41> × [89498094818443332011279911968509504301367290454884678645914989608643558605640740387221650827168607388677609262968496817912295584626412742178569859899013036786311242187882385634236914734683771<191>] × 15294997059335147285597600715513791390521360218461501496423815936712281386320931095399107213244283748998199141214957038334262094746396355836646005848016112745431128273087022982529263062232740748225830426081<206> |