Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 638: | \[{22^{638}-1\over21}\] | 23 × 59 × 67 × 89 × 353 × 3191 × 428041 × 88987603 × 120593021 × 190245859 × 1176469537 × 2283673499 × 15141642169<11> × 141245140147<12> × 285451051007<12> × 2501713355621<13> × 35850499480291<14> × 64052303668365610463<20> × [7487956400938538691214349557102071098145819335124719122875331076767619715309865102078826995646460408617920904356522331981862433746616332628079711417330017016094371408999502457312854487257818626582653687445345346742601796091038231104546268303261660747339333246790926416931825889097224423324926675010916371908101635647251445522171293503457742497<343>] × [2475876520041001271154253747889742932667969043262156661995047279153191728293861369630436856119922325654062605825308283036170602257916463164192012245164146929176635541847080114026784275991393756607015444328074635882558174051698628956528962694323628850921640058069573767862842005092102353848740076784291671041245134147744847484655023524347874186534384190897628071044179827041<373>] |