Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 178: | \[{30^{178}-1\over29}\] | 31 × 179 × 18755683 × 53683199 × 31531735525370832882580261506361<32> × 88653561259818686134716974676116246558387599301516023935685085003686499604744273692379023<89> × 186876755095849018355108664925786534845973652409098845965209518441187042394836572162215388198405266036965211920142964962869<123> |