Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 455: | \[{25^{455}-1\over24}\] | 11 × 29 × 71 × 131 × 211 × 449 × 521 × 631 × 911 × 4201 × 5227 × 18461 × 19531 × 38923 × 4914911 × 6481021 × 15216601 × 85280581 × 305175781 × 4698932281<10> × 7084002845921<13> × 15188886343541<14> × 567454610437261<15> × 1034150930241911<16> × 15199221608544481<17> × 15887476811320661<17> × 20986207825565581<17> × 344614595608455761681<21> × 9680647790568589086355559<25> × 17499733663152976533452519<26> × 15994146485373751289418997754783021<35> × 252009190957922611927192988424665484581951479831<48> × 77662614195306163718052484475206927451931220678764031<53> × 527997808645161693896110537853475614480462726804663276790604591366210441<72> × 2291653067969248191617583966053146431396921846173180679636153279309389857231994221<82> × 4424058458716240622127494493285876842698352004556992224619198917301791087438480742781<85> |