Base 20 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 540: | \[{20^{540}-1\over19}\] | 34 × 7 × 11 × 13 × 31 × 37 × 41 × 61 × 109 × 127 × 181 × 251 × 271 × 307 × 401 × 421 × 541 × 1621 × 1801 × 2801 × 3001 × 4483 × 7237 × 7561 × 12277 × 24877 × 53101 × 54541 × 65881 × 69481 × 71161 × 152381 × 222361 × 261451 × 1580041 × 55191001 × 64008001 × 99672121 × 167283841 × 879338701 × 1018404631 × 1794112741 × 4450002049<10> × 6176139841<10> × 26876632021<11> × 79083953101<11> × 298114935351301<15> × 3994611390415801<16> × 1938171611440030321<19> × 240335499722572329841<21> × 4340106427193878623481<22> × 1648686329813620234549081<25> × 12537438359022932459080555998361<32> × 248995526573042697684641524038945001<36> × 217878596539600475327192129843534244961<39> × 9495575063700428354290415621942793975404173<43> × 4722366482878868585732854775807999964815627911099280523263865782272000000000000000512000000001<94> × 10488643617559570110352454038550524734016804406237759171020811814864807197613579700067757771802909813565666145980681625079004585694361<134> |