Given that 15 has already been factored using Shor's algorithm on a real quantum computer, I think we can.
No you really can't. Being able to factor 15 but not 21 with Shor's algorithm is normal. I know it sounds absurd, but it really is that way. Because factoring 21 is about 100x times harder than factoring 15.
See https://algassert.com/post/2500 for details.
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No you really can't. Being able to factor 15 but not 21 with Shor's algorithm is normal. I know it sounds absurd, but it really is that way. Because factoring 21 is about 100x times harder than factoring 15.
See https://algassert.com/post/2500 for details.