Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 513: | \[{5^{513}-1\over4}\] | 192 × 31 × 109 × 191 × 271 × 829 × 3079 × 4159 × 6271 × 31051 × 3981071 × 11735415506748076408140121<26> × 3552317621192788404030640068306445441<37> × 1730334453188272249508151797485282702862236447189<49> × 160886188043803054530871719304783265100827282810075925369403839312088918579<75> × 1546071762348161667426352791364080501895892789433178510465364377916211497866229262721057236586203084939540909506215504957845337523181567331<139> |