Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 406: | \[{19^{406}-1\over18}\] | 22 × 5 × 59 × 197 × 233 × 701 × 2437 × 70841 × 93787 × 106373 × 226871 × 297003021451861<15> × 670650007983077<15> × 7733313805515677<16> × 8501529971051629<16> × 165049085515149863<18> × 33541219835937586837<20> × 883745978687170011827<21> × 11357739870145527217679251<26> × 55685492666632025470536467<26> × 10659596309802657159818275074823<32> × 35672264820238331316964589182016496742825663313524283<53> × 195226341215854177931748793376753613984555931113704639700922927<63> × 817594527376930117835966559947064827309922192350241658695034176999298919303<75> × 2272758508051696141097493453670683446064330754368247790379058028142926017112481696873453613601<94> |