Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 980: | \[{3^{980}-1\over2}\] | 23 × 52 × 112 × 29 × 61 × 71 × 197 × 491 × 547 × 1093 × 1181 × 4019 × 8233 × 10781 × 16493 × 16661 × 32341 × 51157 × 131713 × 174931 × 28596961 × 32839661 × 94373861 × 251325313 × 857643277 × 2664097031 × 127522693159<12> × 374857981681<12> × 426712077457<12> × 34013149495921<14> × 11139181433126881<17> × 42616540594017306841<20> × 1939897538167586914233386033412974841301862291509811887541<58> × 2069533058091509531573673991580014594792218845183660981081953321<64> × 819789872274420135934308710915667205517989021684165907428156482710442517771<75> × 4430152977536859072181134657493233649089245714747389001639572141363110009421<76> |