Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 266: | \[{19^{266}-1\over18}\] | 22 × 5 × 197 × 701 × 24473 × 70841 × 108301 × 226871 × 375593 × 1049219 × 1488803 × 7043947 × 1003878149 × 16832766217<11> × 870542161121<12> × 1398307221557<13> × 68999209391426790757<20> × 109912203092239643840221<24> × 4172208700142561819962912573<28> × 21355791872293580555642831813<29> × 3206576194318979175006707287462032916421407358163147326799573035803741<70> × 36083496474858467271806379180491151207975549501624609295264624954056624056353<77> |