Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
371: | \[{3^{371}-1\over2}\] | 107 × 743 × 1093 × 24169 × 3747607031112307667<19> × 18485797607002442471500555321<29> × 17177672994159234619140207492038707631055212708408339<53> × 205658896106708984822477268427397533205973486317224569582127682053<66> |