Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 299: | \[{19^{299}-1\over18}\] | 277 × 599 × 2347 × 29251 × 328303 × 133338869 × 16497763013<11> × 1335495402823<13> × 698004686110447691<18> × [161189358209047228657454043663327157592068942369034843176388552099056222703479284929038369619715953096842598295219577399541625231798977709051227031696443853242987465833334566217268646788459593539973873455778312159121997678879326039930099851170057653128615099226536045906273747896444644278954558819786338479876188957<315>] |