Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 448: | \[{25^{448}-1\over24}\] | 26 × 13 × 17 × 29 × 113 × 313 × 337 × 449 × 641 × 769 × 2593 × 3137 × 11489 × 19531 × 271489 × 1149569 × 2195201 × 10922689 × 29423041 × 75068993 × 234750601 × 2520917617 × 181398083777<12> × 241931001601<12> × 3666499598977<13> × 3711466630036481<16> × 59509429687890001<17> × 156991808999010049<18> × 465314420407473281<18> × 37007700327977836913<20> × 1214606229579135791230337<25> × 96132956782643741951225664001<29> × 7957141013471106527440814723329<31> × 35822800438975049964261933857034881<35> × 2593161252309265102249142836830904141299137<43> × 3013731527783874841519029441798704972855617<43> × 23371863775658144623538828456854573496104607906605333794952273409<65> × 698965867837568984299398033395117263633121275562035049049008890847786442548362928940407820059804253774285034574979465129314235059775249213313<141> |