Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 425: | \[{23^{425}-1\over22}\] | 103 × 2551 × 6551 × 292561 × 78267151 × 72992243971<11> × 464325697441<12> × 822450694563461<15> × 62246266355102810647<20> × 534774978203436731701<21> × 261968569374120475321751<24> × 620136916371793898240542969807652684093441<42> × 4149788098942791045726359531991411299027575919522439979276856746971589793849216389198903474988369771933740786027918718429460749895323407594359905032448844862594271968455720834362889835326291651888449620183977645918236624244518739695744579720217329351177408902783631279743875383848354139031861807302829675268910223258235175661053472902721485871865164921865317856059450345200373486268939425616161368208394623751051<412> |