Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 309: | \[{22^{309}-1\over21}\] | 3 × 132 × 619 × 2267 × 17099 × 49635664157<11> × 5193388484981463496087<22> × 46785666161657031805071305076945629355901<41> × 983983786688139784721713536830541797837808633057055792630695014947738643936147<78> × [2122867216881292410615662346492272357184019760671225040318168478801452424705665050781352736569270799212006899255017691532073556871144199004390856421543565000015901717386845827509818531978545347149817055186593337051299428490771498440880356772460243343<250>] |