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Old 2018-09-28, 14:28   #540
ChristianB
 
Apr 2013
Germany

30810 Posts
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Quote:
Originally Posted by ET_ View Post
Is it normal trying to factorize a 9-digit input using NFS?
No, it's not. It's just a fallback in case yafu fails for some reason. As I wrote earlier, it's better to increase the number of primes that are tested before the other tools. But that doesn't help against squares like 1010726611801 = 1005349^2 that are outside of the trial range. But it seems that at least in my case I just need to test with a newer msieve again. EdH, thanks for comparing.

Last fiddled with by ChristianB on 2018-09-28 at 14:30
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