Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 690: | \[{3^{690}-1\over2}\] | 22 × 7 × 112 × 13 × 31 × 47 × 61 × 139 × 271 × 277 × 691 × 1381 × 4561 × 5107 × 6211 × 9109 × 9661 × 31741 × 48991 × 128341 × 132619 × 1476463 × 1975931 × 2368771 × 6784081 × 76675561 × 551312071 × 1001523179 × 23535794707<11> × 6273542442241<13> × 2461243576713869557<19> × 52370346649565455417091<23> × 5928538263629737043659561<25> × 4232020527831352569905247101633701<34> × 1069715309262794850180917361448222651<37> × 6141386692091569467123298841637896953726147859700335918221<58> |