Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 390: | 3 × 11 × 29 × 31 × 53 × 79 × 131 × 271 × 547 × 757 × 1171 × 1483 × 1951 × 2237 × 4621 × 15991 × 53951 × 114661 × 284467 × 637421 × 734941 × 1598039 × 72416371 × 84673681 × 219386077 × 115508406521<12> × 2783743024141<13> × 1934714657710381<16> × 4543753614603737<16> × 84069182547815011<17> × 90216355836698261<17> × 81923931656777716741<20> × 96992972494256001931<20> × 2485157691702736928051924257<28> × 3276407634171096216610291054196844397042681<43> × 155608656711540171423133238234065093750715956651<48> × 26074251673305922066983251816071456093808641348707301298501<59> × 532995297786430868637598981398518223225336973598548805763679200730794871<72> × 16786460532451466327325799382176886017709237013806455658946141974093002768750991359534649071<92> |