Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 390: | \[{30^{390}-1\over29}\] | 72 × 11 × 132 × 19 × 31 × 67 × 79 × 131 × 157 × 271 × 547 × 911 × 1301 × 4831 × 5851 × 12211 × 13339 × 59281 × 71261 × 178907 × 184627 × 207169 × 252877 × 517831 × 837931 × 51941161 × 799777421 × 4538397397<10> × 6541379521<10> × 135905582691841<15> × 468284941714112167321<21> × 23984702698190570523721<23> × 400650121113389033862431<24> × 4082712449786591286481271<25> × 1539106992220814222226128239<28> × 1739014844889065247394714470434503<34> × 1291316569500412351620435375048874061<37> × 39247539028676224017796304031037779880027484035014951959828383734467117656993184384031025637735431415113494031<110> × 6581844335472822087421248126234855599186436700831419818715641130435925271389507449555360919353199576828512575207831074086148269869977376700931<142> |