Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 513: | \[{3^{513}-1\over2}\] | 13 × 109 × 229 × 433 × 757 × 1597 × 8209 × 119701 × 248749 × 363889 × 1824179209 × 27203787889921135221329070240968055313746007669<47> × 38660232735618598938440857926670501004208420024816602121169578764810965231578770565058977901414021561084812009172366052534235573491140461770107856018118409<155> |