Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 490: | \[{12^{490}-1\over11}\] | 13 × 71 × 211 × 491 × 659 × 4943 × 13063 × 19141 × 22621 × 77617 × 806821 × 6089651 × 17601781 × 425455031 × 2345555521 × 34167708909181<14> × 73840856020821121<17> × 8356734198817312279063<22> × 253265324522131745115559<24> × 86121235964912696227980301<26> × 1100673907592638009772080006291497491<37> × 27268138641564464649627762762033543154129<41> × 533549594439242586813214830261791087456860095542232957583795902556547732019770970067756356523686337036240139704028314675776583130231<132> × 6581885071944407313239156527954357956458188966864396269889420375961210957069477291088949829726535009481414071328768366853823506085608701716163071901<148> |