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Bob and Alice make a poor choice (Posted on 2017-08-11) Difficulty: 3 of 5

Factor the semiprime:

4069102376343910986355021110116130565225765903463275841

No Solution Yet Submitted by broll    
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re(2): Method? Comment 7 of 7 |
(In reply to re: Method? by Brian Smith)

So perfect that I have little to add.

WolframAlpha (my free version, at least) will not factor the number, possibly for security reasons.

However, using the method you suggest it's easy to use successive approximations to generate the solution 'by hand' by examining the square root of the combined expression.


  Posted by broll on 2017-08-12 04:12:55
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