Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 473: | \[{7^{473}-1\over6}\] | 1123 × 293459 × 13055747 × 1375014947659<13> × 87422586131717<14> × 166003607842448777<18> × 2192537062271178641<19> × 70900626356541212457799<23> × [67273984398297018697292565164129309842378593629861663169417132379154310847435765536275218538448195164599436224077548821947932258587928594611264612841063972552649208276931567040469469455414621325246857467072193664756795434719682079973406822885929049817158985179259185121237913292957972456129882871611<299>] |