Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 408: | \[{10^{408}-1\over9}\] | 3 × 7 × 11 × 13 × 37 × 73 × 101 × 103 × 137 × 409 × 613 × 2857 × 3061 × 4013 × 9901 × 210631 × 2071723 × 5969449 × 13266937 × 28559389 × 52986961 × 99990001 × 134703241 × 152533657 × 1491383821 × 5363222357<10> × 21993833369<11> × 291078844423<12> × 225974065503889<15> × 2324557465671829<16> × 13168164561429877<17> × 1119527384827710553<19> × 377526955309799110357<21> × 53043011765949537815976769<26> × 44398000479007997569751764249<29> × 65552746171882583264230070868884366877803237222654400793<56> × 44432384794221343755897441742032531086615578692097502509412995439256236377<74> |