Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
125: | \[{6^{125}-1\over5}\] | 53 × 311 × 18198701 × 40185601 × 9536585501<10> × 117811792772681609501<21> × 105875321588567599765751<24> × 1098445767808750903973251<25> |