Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 414: | \[{8^{414}-1\over7}\] | 34 × 19 × 47 × 73 × 139 × 31051 × 79903 × 87211 × 178481 × 262657 × 2796203 × 25069771 × 624456487 × 634569679 × 168749965921<12> × 1159185064537<13> × 2232578641663<13> × 10052678938039<14> × 42166482463639<14> × 93747988411543<14> × 5521094269128307<16> × 185541553091188485307<21> × 55128155016097727617011127633<29> × 3173270838240154999061250226081<31> × 6113142872404227834840443898241613032969<40> × 2751471927250675803997960029212747063792197831435631743363158238779139269787256021849179673077249<97> |