Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 975: | \[{5^{975}-1\over4}\] | 11 × 31 × 71 × 79 × 101 × 131 × 151 × 181 × 251 × 401 × 1741 × 1951 × 3301 × 14821 × 17551 × 107251 × 1659451 × 1989151 × 9384251 × 49015201 × 49892851 × 183794551 × 305175781 × 933692761 × 608459012088799<15> × 1034150930241911<16> × 3879644432625001<16> × 20986207825565581<17> × 142816611356873351<18> × 13139700116898999203751361<26> × 86047082949427536089202802741<29> × 1641395317366745868848220671801<31> × 1761111219840080597767580940301<31> × 476966369362409096031576235949383293162379490336802701<54> × 3049424873250358276719616014007294882612045943602229962865201<61> × 53060066966296132594129972671398659924948384932762869920268851<62> × 544445192985794293572825359983007126893636549481520804790473424047691386388201<78> × 9018807847981193833690993023441458322258692031922418058940541497908207228444731903400603387477836695693780915504119708592478960701<130> |