Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 385: | \[{3^{385}-1\over2}\] | 113 × 23 × 71 × 1093 × 1321 × 3851 × 225611 × 868561 × 51457561 × 2664097031 × 7151459701<10> × 76831835389<11> × 560088668384411<15> × 10758904556355084920587039558086313081<38> × 2287029449459702288049174318280654546573772473422542675082244708331<67> |