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Factor it (Posted on 2019-03-19) Difficulty: 3 of 5
What is the largest prime factor of 8888888899999999?

No Solution Yet Submitted by Danish Ahmed Khan    
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re(2): Solution .... hmmm Comment 3 of 3 |
(In reply to re: Solution .... hmmm by Charlie)

The TI-84 Plus Silver Edition is amazingly slow compared to a modern smartphone.  The CE is not much better.

Your algorithm is also smarter.  I have mine try every number as a divisor and list every factor pair.

  Posted by Jer on 2019-03-19 22:38:19
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