Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
209: | \[{10^{209}-1\over9}\] | 21649 × 257489 × 513239 × 1246477 × 9269802917<10> × 1111111111111111111<19> × 42545662673095831743789692955596677<35> × 7110068196346820837739904403311442644029624388096114872110630392132468139502199423975998515225256644772351425095948672135483<124> |