Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
98: | \[{10^{98}-1\over9}\] | 11 × 197 × 239 × 4649 × 909091 × 505885997 × 1976730144598190963568023014679333<34> × 5076141624365532994918781726395939035533<40> |