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Quick factors II (Posted on 2019-06-23)

Given that 13⁴-6⁵+5⁹ is the product of exactly 5 distinct prime factors, what is the largest?

No Solution Yet Submitted by Danish Ahmed Khan

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the number in decimal is 1973910 which is clearly divisible by 2*3*5 giving 2*3*5*65797. So se must be looking at a semiprime. Fortunately, one of the prime factors is relatively small: 19.

This makes finding the largest easy: 3463.

Posted by Jer on 2019-06-23 20:02:56

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