Abababcb and perfect square puzzle

K Sengupta · Jun 12, 2009

P is a base ten positive integer of the form abababcb, such that (P-1) is a perfect square ; where a, b and c denote three different digits from 0 to 9, with a being nonzero.

Determine all possible value(s) of P for which this is possible.

negitron · Jun 16, 2009

I did this programatically and got 2 results. Is this correct and may I post them?

Edgardo · Aug 3, 2009

My solution:

a=4 b=5 c=6
a=8 b=2 c=0

Abababcb and perfect square puzzle

Discussion

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Abababcb and perfect square puzzle

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