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This article mainly shows you "java how to find the maximum product of the square matrix", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "java how to find the maximum product of the square matrix" this article.

In the following 20 × 20 square array, four numbers arranged diagonally are marked red.

The product of these four numbers is 26 × 63 × 78 × 14 = 1788696.

In this 20 × 20 square matrix, what is the maximum product of four adjacent numbers in the same direction (bottom to top, top to bottom, right to left, left to right, or diagonal)?

System.out.println (Summation_primes (2000000))

Analysis:

Add primes less than 2000000 through a loop.

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