Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 372: | \[{28^{372}-1\over27}\] | 3 × 5 × 13 × 29 × 157 × 271 × 373 × 757 × 1117 × 1303 × 4093 × 10789 × 17981 × 47221 × 1675799 × 14307617 × 32660609 × 68690971367<11> × 36328198159009<14> × 2222222702307007<16> × 70549177614483289<17> × 41183608552636142233<20> × 104175305182941687128096479<27> × 88371476775688842981939845083<29> × 280321817417013527271954418037<30> × 2384297102258237664653459079949<31> × 9751283154942605850592828466642659513447<40> × 160281583784620677280319713020603382697107<42> × 3561249252745146135588629593555258264097689<43> × 27884686722505100360091725592256555804932742636659265933<56> × 18254898610927185142968491347247129221097448211206599162687430767526412551703673652088089166472081238133320193<110> |