Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 435: | \[{28^{435}-1\over27}\] | 3 × 31 × 59 × 271 × 11311 × 15991 × 230551 × 356701 × 637421 × 734941 × 77241733 × 5506203727<10> × 18578147064255601<17> × 1500452736580608503221<22> × 279071175543028128073558728091<30> × 582595509837473004489665028935473297399<39> × 2490984281800796713523237526645659080993083834467855653648162831<64> × 1209169934795671335087605967265948132674062887032789276705259971341<67> × 3449077447784728200886088316998012928306799775565462040804360774331<67> × [58260797134288518174152420519011817443688985053765668448950648081796829037425328772957275785257500923420783731970065167028958889163523408468708593251492672124912030566406591417949613161487424074715869098793162354293017479849693899377132347408138612472434722490592693758501<272>] |