Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 147: | \[{12^{147}-1\over11}\] | 157 × 659 × 4943 × 77617 × 7622826121<10> × 8177824843189<13> × 3053140047080689861<19> × 29014061524726574502110353<26> × 6633662756098833340120457931209406613<37> × 27268138641564464649627762762033543154129<41> |