Comment 6 for bug 725367

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b49P23TIvg (b49p23tivg) wrote : Re: [Bug 725367] Re: primes returns composites

Thank you for investigating and writing new code. I built the code from
your repository trunk. primes32 might be correct, assuming you added
only a test for the argument size. primes64 didn't work. 7757777775
is, by inspection, divisible by 5.

Thank you again,
Dave Lambert

$ primes32 7757777773 7757777787 # good!
argument '7757777773' incorrect at position 9
$
$ primes64 7757777773 7757777787 # no!
start=7757777773, stop=7757777787, mode=0x0
q_min=3878888886, q_lim=3878888893
sqrt(7757777785)=88078
q_len=7, maxsp=88078
tmul=1, tdiv=255255, sres=8563
p_min=9, p_lim=44039, p_len=44030
sqrt(88078)=296
maxssp=296, si_min=9, si_lim=148
Primes::init _pmax=296
nssevs=55
cnt_d=0, cnt_m=44030
sdevs.size=8542
cnt_dd=0
7757777775
totally 1 primes with sum=7757777775:0
$