begin serial tests at p line 125.
begin random tests at p line 129.
all ok at p line 136.
start benchmarks at p line 143.
benchmarking 3 digit odd numbers, 10000 in total at p line 151.
            (warning: too few iterations for a reliable count)
            (warning: too few iterations for a reliable count)
benchmarking 4 digit odd numbers, 10000 in total at p line 151.
           s/iter  primep_rm primep_div
primep_rm    11.2         --       -97%
primep_div  0.300      3637%         --
            (warning: too few iterations for a reliable count)
            (warning: too few iterations for a reliable count)
benchmarking 5 digit odd numbers, 10000 in total at p line 151.
           s/iter  primep_rm primep_div
primep_rm    10.0         --       -96%
primep_div  0.370      2614%         --
            (warning: too few iterations for a reliable count)
            (warning: too few iterations for a reliable count)
benchmarking 6 digit odd numbers, 10000 in total at p line 151.
           s/iter  primep_rm primep_div
primep_rm    9.63         --       -95%
primep_div  0.490      1865%         --
            (warning: too few iterations for a reliable count)
            (warning: too few iterations for a reliable count)
benchmarking 7 digit odd numbers, 10000 in total at p line 151.
           s/iter  primep_rm primep_div
primep_rm    9.04         --       -92%
primep_div  0.740      1122%         --
            (warning: too few iterations for a reliable count)
            (warning: too few iterations for a reliable count)
benchmarking 8 digit odd numbers, 4000 in total at p line 151.
           s/iter  primep_rm primep_div
primep_rm    8.87         --       -85%
primep_div   1.34       562%         --
            (warning: too few iterations for a reliable count)
            (warning: too few iterations for a reliable count)
benchmarking 9 digit odd numbers, 4000 in total at p line 151.
           s/iter  primep_rm primep_div
primep_rm    3.36         --       -68%
primep_div   1.08       211%         --
            (warning: too few iterations for a reliable count)
            (warning: too few iterations for a reliable count)
           s/iter  primep_rm primep_div
primep_rm    3.41         --       -30%
primep_div   2.37        44%         --