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Old 2020-03-27, 15:43   #28
sweety439
 
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Nov 2016

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Quote:
Originally Posted by LaurV View Post
Then why did you eliminate 9 and 36?

(the tree I am barking at, is the fact that 81 is a square)
This is like the base 125 case, the CK for both sides of base 125 are 8, and both 125 and 8 are cubes, thus 8*125^n+-1 both have algebra factors.
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