Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 875: | \[{5^{875}-1\over4}\] | 11 × 71 × 101 × 211 × 251 × 401 × 631 × 4201 × 12601 × 19531 × 28001 × 50051 × 199501 × 200201 × 3597751 × 8894201 × 9384251 × 10885001 × 22661801 × 28707251 × 85280581 × 1657309151 × 21987719251<11> × 4032808198751<13> × 767186663625251<15> × 3292915346586251<16> × 38105263380318401<17> × 65201101781407160404501<23> × 16711449148651875290388101<26> × 21618698221031733473930251<26> × 24687045214139234043375683501<29> × 290420343548877552397308040001<30> × 714230949655553158292542550246822887001<39> × 110169485363218345947986702060356330493284826448568703100167405276949201950089025952770074798186913434630666782586576710365251<126> × 47583546462256990986236483199768147213019197111144791280319600983336440677310699713397607764449506491506440698589803393539137472453409358001<140> |