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Pandigital Product Crossed Square Poser (Posted on 2023-01-06) Difficulty: 3 of 5
Each of A, B, and C is a different zeroless pandigital number that satisfy this equation:

A*B=C2

Determine the minimum value of C.

See The Solution Submitted by K Sengupta    
Rating: 5.0000 (1 votes)

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re(2): Solution | Comment 3 of 18 |
(In reply to re: Solution by Charlie)

There are 620 solutions with A<B, for A, B and C, and so 1240 altogether.


The last few are:

                A                    B                    C              C^2                         count                                                     
            246579381            986317524            493158762   243205564537372644                  609
            246587931            986351724            493175862   243222430859443044                  610
            246593781            986375124            493187562   243233971311503844                  611
            246781359            987125436            493562718   243604156599547524                  612
            246785913            987143652            493571826   243613147420974276                  613
            246791358            987165432            493582716   243623897533936656                  614
            246813579            987254316            493627158   243667771115156964                  615
            246857913            987431652            493715826   243755316842862276                  616
            246913578            987654312            493827156   243865260003048336                  617
            453968712            765421938            589472316   347477611330403856                  618
            549386721            743816529            639251847   408642923892911409                  619
            659418732            897542163            769321854   591856115041997316                  620

  Posted by Charlie on 2023-01-06 14:46:30
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