Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 677: | \[{3^{677}-1\over2}\] | 33851 × 995361959 × 83719264139843<14> × 13904875444170081312886859407682609699<38> × 63392008918847468392580479007692414397607172738552467633892428444991068221928626017<83> × 79174625990964179191490676699307767363205826354236316880050838031541420038189937101<83> × 260551673649646817121404814310103781652850998523396316545064774017593836835160774676761478361<93> |