Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 456: | \[{15^{456}-1\over14}\] | 26 × 13 × 17 × 113 × 211 × 229 × 241 × 457 × 761 × 1489 × 3877 × 4561 × 7753 × 13757 × 26297 × 114001 × 1692217 × 4272113 × 292582141 × 437963833 × 2562840001 × 611028193819<12> × 18434831466377<14> × 370649274902657<15> × 439799488353587<15> × 864066646689339562429201<24> × 4485532699379697977461729<25> × 835726294918884968025848899<27> × 6969521913939651515520634098282421<34> × 7774464683708717159373132723126313<34> × 3277880413056025190320479418968781974313<40> × 3051606555044073086161852942695260610947956722037473577<55> × 7092493913552510488131464612408185073473718690120852108452281377629891697<73> × 4791776297039163613882173557918886344162302680624952999146595045949908438728138609601<85> |