Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 189: | \[{27^{189}-1\over26}\] | 109 × 433 × 757 × 1093 × 3889 × 8209 × 368089 × 1190701 × 12557612956332313<17> × 144542918285300809<18> × 49888641454623789553<20> × 26369913549996278516269<23> × 45111196029657508252387343389<29> × 67775349707440873247475442867753<32> × 48750358213862475070428657195079499092364689<44> × 666677303663223168496480892592225989106568593463027733912161<60> |