Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 969: | \[{4^{969}-1\over3}\] | 3 × 7 × 103 × 307 × 571 × 647 × 2143 × 2857 × 6529 × 7753 × 11119 × 32377 × 43691 × 131071 × 174763 × 524287 × 1212847 × 160465489 × 1932620113 × 11726744977<11> × 540538609159<12> × 17795830908608814443<20> × 39044358788825633753<20> × 3211586054639813621611<22> × 6319957642033539607139<22> × 78161016568215708061327<23> × 2065255878519475622261353<25> × 432185728407904618000990086610965513529<39> × 1269639828454588763972435091645259869185718465075550865591017<61> × 795731737643745441166696869408579753808434853619248646462116510258956449467<75> × 120622890811356774180248323565574865956728816073425618262475056520324150437254944766330761<90> × 2021373594576291102905239976417130814821967471208793180343069642403609802281629056105150199<91> |