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- #1

- Feb 14, 2012

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Find all integer solutions (if any) for the equation $(A+3B)(5B+7C)(9C+11A)=1357911$.

- Thread starter anemone
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- Thread starter
- Admin
- #1

- Feb 14, 2012

- 3,505

Find all integer solutions (if any) for the equation $(A+3B)(5B+7C)(9C+11A)=1357911$.

- Jan 29, 2012

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- #3

- Feb 14, 2012

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RHS is odd so all factors are odd so each term in the LHS is odd. there are 3 terms on the LHS and so their sum has to be odd.

but sum is 12A + 8B + 16C which is even so impossible