Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 535: | \[{4^{535}-1\over3}\] | 11 × 31 × 643 × 12841 × 95231 × 205441 × 879622391 × 10155021917057853331411<23> × 331343920853356078376431<24> × 84115747449047881488635567801<29> × 162259276829213363391578010288127<33> × 23718232032401560617445166686464799001<38> × 431458267304950409618673634079545142558161<42> × 2645097367401796494779071821252585360713370368201<49> × 70006550465690448123526076382585141736355981625408033198241<59> |