Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 462: | \[{31^{462}-1\over30}\] | 25 × 3 × 73 × 19 × 23 × 43 × 67 × 211 × 331 × 397 × 463 × 617 × 2927 × 6301 × 11971 × 71821 × 297991 × 757241 × 818819 × 13780537 × 150332843 × 917087137 × 1048563011 × 23503054499<11> × 816786763717<12> × 2813432694367<13> × 16169321243923<14> × 550469850411853<15> × 427813176370045109029<21> × 34731987261785578083133<23> × 650141690025315305584300036801<30> × 263768160996144192120004532942855021486760529559458116494001319<63> × 382209962506614718527774493539296028007087595862045098246402975616281748634348102379<84> × 18225241724783414229875870167744177309564835595780296438316324273194815639994673780634745001828916211526860595452766963491106841897708169725785735767568192763<158> × [208149511988269119800019981186956666499469811206705179901654241576655099801706392854143161333806149834846468219752677953519203092175022946963073568230370580269<159>] |