Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 195: | \[{10^{195}-1\over9}\] | 3 × 31 × 37 × 41 × 53 × 79 × 271 × 1951 × 2906161 × 265371653 × 35081393881<11> × 162503518711<12> × 360924572424391<15> × 900900900900990990990991<24> × 5538396997364024056286510640780600481<37> × 44933275139025237741442164195375614371497219389368548160257661491391<68> |