Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 668: | \[{3^{668}-1\over2}\] | 23 × 5 × 58451 × 88177 × 1767863 × 41332144291<11> × 196098784741<12> × 10063060897082377<17> × 1190204597436709967401788193<28> × 260551495718621260054268273374657473120059796409<48> × 1473759805801789118598508577921021242424939524192662637837<58> × 191812741633908683995728070486739989246974325969397138911217882330434371836785773977793621132778735768090954528412465781136039384249<132> |