Repunit primes: Difference between revisions
m
slightly less ambiguous
m (sp, circular primes link) |
Thundergnat (talk | contribs) m (slightly less ambiguous) |
||
Line 9:
In base three: 111, 1111111, 1111111111111, etc.
''
Any repunit in any base having a composite number of digits is necessarily composite. Only repunits (in any base) having a prime number of digits ''might'' be prime.
|