Base 20 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 202: | \[{20^{202}-1\over19}\] | 3 × 7 × 15959 × 30334543 × 6373585003<10> × 194090053903<12> × 8030086063409<13> × 84385039471114716539234932681<29> × 3812591629152068882611221394389261027451559898877520222267756348987901023<73> × 104123818500013966340837749467994954305411696859064785204861538726061954896128083486074056219855770751881752921491<114> |