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Four integers (Posted on 2016-12-04) Difficulty: 3 of 5
Find four distinct positive integers such that:
a. Each of them is below 500.
b. Multiplying any two of them and then incrementing the product by 1
produces a square number.

No Solution Yet Submitted by Ady TZIDON    
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Some Thoughts re(3): Master of the obvious - beg to differ | Comment 6 of 8 |
(In reply to re(2): Master of the obvious by Steve Herman)

Multiplying two negative numbers gets a positive product.

"We have more answers ==> who is we?   and what answers can you get? Provide an example.

If you eliminate the word  "positive" and leave "distinct" in the text you eliminate the trivial 0,0,0,0  answer.

  Posted by Ady TZIDON on 2016-12-13 19:49:34
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