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Amicable pair generator (Posted on 2016-07-08) Difficulty: 4 of 5
Find a value of n for which the following are each prime:
a=3*2n-1
b=3*2n-1-1
c=9*22n-1-1

The numbers 2n*a*b and 2n*c will be an amicable pair.

Show this always works.

Can this formula be generalized?

No Solution Yet Submitted by Jer    
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  Subject Author Date
Some ThoughtsComputer explorationCharlie2016-07-08 15:33:47
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