This factorization is unique, known as prime decomposition (prime factorization).

这个因数分解是唯一的，被称为素数分解(primefactorization)。

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Prime decomposition: in many cases, know that a number is prime is not enough, it also needs to know about the number.

说明：素数分解：、在许多情况下，知道一个数是素数还不够，还需要知道它的约数。

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By using the energy distribution of the wavelet decomposition, image hiding algorithm based on wavelet transformation is presented, and then improved with prime number scrambling algorithm.

利用小波分解的能量分布规律，提出了基于小波变换的图像隐藏算法，并利用素数置乱对隐藏算法作进一步的改进。

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By using the energy distribution of the wavelet decomposition, image hiding algorithm based on wavelet transformation is presented, and then improved with prime number scrambling algorithm.

利用小波分解的能量分布规律，提出了基于小波变换的图像隐藏算法，并利用素数置乱对隐藏算法作进一步的改进。

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