Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 113: | \[{31^{113}-1\over30}\] | 11527 × 67801 × 51677116609<11> × 60124116791<11> × 438407124007<12> × 10693692662134337<17> × 146745110362406117<18> × 66662536191598938854817414473947493746284932527286427494467290603681496730818510667710681027<92> |