Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 300: | \[{3^{300}-1\over2}\] | 23 × 53 × 7 × 112 × 13 × 31 × 61 × 73 × 101 × 151 × 271 × 601 × 1181 × 1201 × 2551 × 4561 × 8951 × 9601 × 26251 × 55201 × 119101 × 391151 × 394201 × 1530601 × 22996651 × 47763361 × 61070817601<11> × 2098303812601<13> × 2229552891865882714320177992401<31> |