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Old 2019-11-30, 20:36   #4
PhilF's Avatar
Feb 2005

617 Posts

Here's my question about sigmas. It will expose my ignorance, but at the same time the answer might help me visualize how ECM works.

Let's say you are running curves on a composite number that has only 2 rather large prime factors, and a lucky curve found one of those factors. Is the sigma that found that factor the only sigma that could have found it, or are there a number of different sigmas that could have found that same factor?
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