Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 287: | \[{10^{287}-1\over9}\] | 83 × 239 × 1231 × 1723 × 4649 × 538987 × 13365428707<11> × 1941851180301719<16> × 201763709900322803748657942361<30> × 386736023165016911595773048286586040278275120007787504683197800313250373<72> × 52040781690664633087476019587971179912361405549597272673699110341655196644796952133433276282056803909903743017483300968477469368178954534813<140> |