528 Repunits
Project: Period lengths of primes< 100
Find the period lengths of the primes< 100 by using the factorization
of repunits given above. Note that 59, 61, and 97 are the only primes
< 100 that cannot be found in the table above.
Prime Period lengths Prime Period lengths
7 11
13 17
19 23
29 31
37 41
43 47
53 59
61 67
71 73
79 83
89 97