Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 440: | \[{10^{440}-1\over9}\] | 112 × 23 × 41 × 73 × 89 × 101 × 137 × 271 × 331 × 617 × 661 × 881 × 1321 × 3541 × 4093 × 5171 × 8779 × 9091 × 18041 × 21649 × 27961 × 62921 × 148721 × 513239 × 1676321 × 83251631 × 1052788969 × 1056689261 × 1121407321 × 5964848081<10> × 20163494891<11> × 318727841165674579776721<24> × 1300635692678058358830121<25> × 1395900370916327245555441901<28> × 36380545029953205956377406702261<32> × 16205834846012967584927082656402106953<38> × 11351872871736662882973881952326901248582292849023836549375698070374687854710556299659477866174801360953461975027241770726447219069239499432349602724177071521<158> |